Ecophysiology of Nitrogen-Fixing Systems

  • A. H. Gibson
  • D. C. Jordan
Part of the Encyclopedia of Plant Physiology book series (PLANT, volume 12 / C)

Keywords

Chlorophyll Nitrite Bacillus Molybdenum Cellulase 

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References

  1. Abbott LK, Robson AD (1981) Infectivity and effectiveness of five endomycorrhizal fungi: competition with indigenous fungi in field soils. Aust J Agrie Res 32: 621–630Google Scholar
  2. Abd-el-Malek Y (1971) Free-living nitrogen-fixing bacteria in Egyptian soils and their possible contribution to soil fertility. Plant Soil Spec Vol pp 423–442Google Scholar
  3. Akkermans ADL (1971) Nitrogen fixation and nodulation of Alnusand Hippophaëunder natural conditions. Thesis, Univ LeidenGoogle Scholar
  4. Akkermans ADL (1978) Root nodule symbioses in non-leguminous N2-fixing plants. In: Dommergues YR, Krupa SV (eds) Interactions between non-pathogenic soil microorganisms and plants. Elsevier Scientific Publishing Company, AmsterdamGoogle Scholar
  5. Akkermans ADL, Houwers A (1979) Symbiotic nitrogen fixers available for use in temperate forestry. In: Gordon JC, Wheeler CT, Perry DA (eds) Symbiotic nitrogen fixation in the management of temperate forests. For Res Lab, Oregon State Univ, CorvallisGoogle Scholar
  6. Akkermans ADL, Abdulkadir S, Trinick MJ (1978) Nitrogen-fixing root nodules in Ulmaceae. Nature (London) 274: 190Google Scholar
  7. Akkermans ADL, Roelfson W, Blom J (1979) Dinitrogen fixation and ammonia assimilation in actinomycetous root nodules of Alnus glutinosa. In: Gordon JC, Wheeler CT, Perry DA (eds) Symbiotic nitrogen fixation in the management of temperate forests. For Res Lab, Oregon State Univ, CorvallisGoogle Scholar
  8. Albrecht SL, Maier RJ, Hanus FJ, Russel SA, Emerich DW, Evans HJ (1979) Hydrogenase in Rhizobium japonicumincreases nitrogen fixation by nodulated soybeans. Science 203: 1255–1257PubMedGoogle Scholar
  9. Albrecht SL, Okon Y, Lonnquist J, Burris RH (1981) Nitrogen fixation by corn-Azospirillumassociations in a temperate climate. Crop Sci 21: 301–306Google Scholar
  10. Alexander V (1974) A synthesis of the IBP tundra biome circumpolar study of nitrogen fixation. In: Holding AG, Heal OW, McLean S, Flanagan PW (eds) Soil organisms and decomposition in tundra. Tundra Biome Steering Committee, StockholmGoogle Scholar
  11. Alexander V, Billington M, Schell DM (1974) The influence of abiotic factors on nitrogen fixation rates in the Barrow, Alaska, Arctic tundra. Rep Kevo Subarct Res Stn 11: 3–11Google Scholar
  12. Alexander V, Kallio P (1976) Nitrogenase activity in Peltigera aphthosaand Stereocaulon paschalein early spring. Rep Kevo Subarct Res Stn 13: 12Google Scholar
  13. Alexander V, Schell DM (1971) Nitrogen fixation in Arctic ecosystems. In: The structure and function of the tundra ecosystem, vol I. USA Tundra Biome Prog Rep, USA CRREL, Hanover, NHGoogle Scholar
  14. Alexander V, Schell DM (1973) Seasonal spatial variation of nitrogen fixation in the Barrow, Alaska, tundra. Arct Alp Res 5: 77–88Google Scholar
  15. Alimagno BV, Yoshida T (1977) In situ acetylene ethylene assay of biological nitrogen fixation in lowland rice soils. Plant Soil 47: 239–244Google Scholar
  16. Allen ON, Allen EK (1981) The Leguminosae. Univ Wisconsin Press, Madison Allison FE (1935) Carbohydrate as a primary factor in legume symbiosis. Soil Sci 39: 123–143Google Scholar
  17. Anderson JW (1981) Light-energy-dependent processes other than CO2 assimilation. In: Hatch MD, Boardman NK (eds) Biochemistry of plants, vol VIII. Academic Press, London New YorkGoogle Scholar
  18. Andrew CS (1976) Effect of calcium, pH and nitrogen on the growth and chemical composition of some tropical and temperate pasture legumes I. Nodulation and growth. Aust J Agric Res 29: 611–623Google Scholar
  19. Angle JS, Pugashetti BK, Wagner GH (1981) Fungal effects on Rhizobium japonicum- soybean symbiosis. Agron J 73: 301–306Google Scholar
  20. Angulo AF, Dijk van C, Quispel A (1976) Symbiotic interactions in non-leguminous root nodules. In: Nutman PS (ed) Symbiotic nitrogen fixation in plants. Cambridge Univ Press, CambridgeGoogle Scholar
  21. Anon (1979) Nitrogen and rice. Int Rice Res Inst, Los Banos, Philippines Antoniw LD, Sprent JI (1978) Growth and nitrogen fixation of Phaseolus vulgarisL. at two irradiances. Ann Bot (London) 42: 389–410Google Scholar
  22. Antoun H, Bordeleau LM, Gagnon C, Lachance RA (1978) Identification des actinomycètes antagonistes de champignons et n’affectant pas le Rhizobium meliloti. Can J Microbiol 24: 1073–1975PubMedGoogle Scholar
  23. Aparicio-Tejo PM, Sanchez-Diaz MF, Pena JI (1980) Nitrogen fixation, stomatal response and transpiration in Medicago sativa, Trifolium repensand T. subterraneumunder water stress and recovery. Physiol Plant 48: 1–4Google Scholar
  24. Ashton PJ (1974) In: V Zinderen-Bakker EM (ed) The Orange River, Progress Report. Univ Orange Free State, BloemfonteinGoogle Scholar
  25. Ashton PJ, Walmsley RD (1976) The aquatic fern Azollaand its Anabaenasymbiont. Endeavour 124: 39–43Google Scholar
  26. Athar M, Mahmood A (1972) Root nodules in some members of Zygophyllaceae growing at Karachi University campus. Pak J Bot 4: 209–210Google Scholar
  27. Athar M, Mahmood A (1981) Extension of Rhizobiumhost range to Zygophyllaceae. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  28. Atkins CA, Rainbird R, Pate JS (1980) Evidence for a purine pathway of ureide synthesis in N2-fixing nodules of cowpea [Vigna unguiculata( L.) Walp.]. Z Pflanzenphysiol 97: 249–260Google Scholar
  29. Auger S, Verma DPS (1981) Induction and expression of nodule-specific host genes in effective and ineffective root nodules of soybean. Biochemistry 20: 1300–1306PubMedGoogle Scholar
  30. Awonaike KO, Lea PJ, Day JM, Roughley RJ, Miflin BJ (1980) Effects of combined nitrogen on nodulation and growth of Phaseolus vulgaris. Exp Agric 16: 303–311Google Scholar
  31. Azcon-Aguilar C, Barea JM (1981) Field inoculation of Medicagoand Rhizobiumin phosphate-fixing agricultural soil. Soil Biol Biochem 13: 19–22Google Scholar
  32. Baalen van C, Hoare DS, Brandt E (1971) Heterotrophic growth of blue-green algae in dim light. J Bacteriol 105: 685–689PubMedGoogle Scholar
  33. Baas-Becking LGM (1951) Notes on some Cyanophyceae of the Pacific Ocean. K Ned Akad Wet Proc 54C: 3Google Scholar
  34. Bagyaraj DJ, Manjunath A, Patil RB (1979) Interaction between a vesicular-arbuscular mycorrhiza and Rhizobiumand their effects on soybean in the field. New Phytol 82: 141–145Google Scholar
  35. Baker D, Torrey JG (1979) The isolation and cultivation of actinomycetous root nodule endophytes. In: Gordon JC, Wheeler CT, Perry DA (eds) Symbiotic nitrogen fixation in the management of temperate forests. For Res Lab, Oregon State Univ, CorvallisGoogle Scholar
  36. Baker D, Kidd GH, Torrey JG (1979a) Separation of actinomycete nodule endophytes from crushed nodule suspensions by Sephadex fractionation. Bot Gaz Suppl 140: 549–551Google Scholar
  37. Baker D, Torrey JG, Kidd GH (1979b) Isolation by sucrose-density fractionation and cultivation in vitro of actinomycetes from nitrogen-fixing root nodules. Nature (London) 281: 76–78Google Scholar
  38. Baldini VLD, Döbereiner J (1980) Host plant specificity in the infection of cereals with Azospirillumspp. Soil Biol Biochem 12: 433–439Google Scholar
  39. Baltensperger AA, Schank SC, Smith RL, Litteil RC, Bouton JH, Dudeck AE (1978) Effect of inoculation with Azospirillumand Azotobacteron turf-type Bermuda genotypes. Crop Sci 18: 1043–1045Google Scholar
  40. Barber LE (1979) Use of selective agents for recovery of Rhizobium melilotifrom soil. Soil Sci Soc Am J 43: 1145–1148Google Scholar
  41. Barber LE, Russell SA, Evans HJ (1979) Inoculation of millet with Azospirillum. Plant Soil 52: 49–57Google Scholar
  42. Barea JM, Brown ME (1974) Effects on plant growth produced by Azotobacter paspalirelated to synthesis of plant growth regulating substances. J Appl Bacteriol 37: 583–593PubMedGoogle Scholar
  43. Barker KR, Husingh D, Johnston SA (1972) Antagonistic interaction between Heterodera glycine and Rhizobium japonicum on soybean. Phytopathology 62:1201–1205 Barnet Y (1980) The effect of rhizobiophages on populations of Rhizobium trifoliiin the root zone of clover plants. Can J Microbiol 26: 572–576Google Scholar
  44. Basilier K (1974) Investigations on nitrogen fixation in moss communities. Progress report 1973. In: Flower-Ellis ZGK (ed). Swed IBP Tundra Biome Proj Tech Rep 16: 83–97Google Scholar
  45. Bauer WD (1981) Infection of legumes by rhizobia. Annu Rev Plant Physiol 32: 407–449Google Scholar
  46. Becking JH (1961a) Studies on nitrogen-fixing bacteria of the genus Beijerinckia. I. Geographical and ecological distribution in soils. Plant Soil 14: 49–81Google Scholar
  47. Becking JH (1961b) Studies on nitrogen-fixing bacteria of the genus Beijerinckia. II. Mineral nutrition and resistance in high levels of certain elements, in relation to soil type. Plant Soil 14: 297–322Google Scholar
  48. Becking JH (1974) In: Buchanan RE, Gibbons NE Bergey’s manual of determinative bacteriol, 8th edn. Williams and Wilkins Co, BaltimoreGoogle Scholar
  49. Becking JH (1976) Nitrogen fixation in some natural ecosystems in Indonesia. In: Nutman PS (ed) Symbiotic nitrogen fixation in plants. Cambridge Univ Press, LondonGoogle Scholar
  50. Becking JH (1977) Dinitrogen-fixing associations in higher plants other than legumes. In: Hardy RWF, Silber WS (eds) A treatise on dinitrogen fixation, Sect 3 ( Biology). Wiley-Interscience, New YorkGoogle Scholar
  51. Becking JH (1979) Nitrogen fixation by Rubus ellipticus. Plant Soil 53: 541–545Google Scholar
  52. Bednarski MA, Reporter M (1978) Expression of rhizobial nitrogenase: influence of plant cell-conditioned medium. Appl Environ Microbiol 36: 115–120PubMedGoogle Scholar
  53. Benson DR, Arp DJ, Burris RH (1979) Cell-free nitrogenase and hydrogenase from actinorhizal root nodules. Science 205: 688–689PubMedGoogle Scholar
  54. Berg van den EHR (1977) The effectiveness of the symbiosis of Rhizobium leguminosarumof pea and broad bean. Plant Soil 48: 629–639Google Scholar
  55. Bergersen FJ (1962) The effects of partial pressure of oxygen upon respiration and nitrogen fixation by soybean root nodules. J Gen Microbiol 29: 113–125Google Scholar
  56. Bergersen FJ (1980a) Leghaemoglobin, oxygen supply and nitrogen fixation: studies with soybean nodules. In: Stewart WDP, Gallon JR (eds) Nitrogen fixation. Academic Press, London New YorkGoogle Scholar
  57. Bergersen FJ (1980b) Methods for evaluating biological nitrogen fixation. Wiley, ChichesterGoogle Scholar
  58. Bergersen FJ, Appleby CA (1981) Leghaemoglobin within bacteroid-enclosing membrane envelopes from soybean root nodules. Planta 152: 534–543Google Scholar
  59. Bergersen FJ, Gibson AH (1978) Nitrogen fixation by Rhizobiumsp. in laboratory culture media. In: Döbereiner J, Burris RH, Hollaender A, Franco AA, Neyra CA, Scott DB (eds) Limitations and potentials for biological nitrogen fixation in the tropics. Plenum Publishing, New YorkGoogle Scholar
  60. Bergersen FJ, Goodchild DJ (1973) Cellular location and concentration of leghaemoglobin in soybean root nodules. Aust J Biol Sci 26: 741–756Google Scholar
  61. Bergersen FJ, Hely FW, Costin AB (1963) Over-wintering of clover nodules in alpine conditions. Aust J Biol Sci 16: 920–921Google Scholar
  62. Bergersen FJ, Kennedy GS, Wittman W (1965) Nitrogen fixation in the coralloid roots of Macrozamia communisL Johnson. Aust J Biol Sci 18: 1135–1142Google Scholar
  63. Bergey’s manual of determinative bacteriology (1975) Buchanan RE, Gibbons NE 8th edn. Williams and Wilkins, BaltimoreGoogle Scholar
  64. Berkum van P (1980) Evaluation of acetylene reduction by excised roots for the determination of nitrogen fixation in grasses. Soil Biol Biochem 12: 141–145Google Scholar
  65. Berkum van P, Bohlool BB (1980) Evaluation of nitrogen fixation by bacteria in association with roots of tropical grasses. Microbiol Rev 44: 491–517PubMedGoogle Scholar
  66. Berkum van P, Day JM (1980) Nitrogenase activity associated with soil cores of grasses in Brazil. Soil Biol Biochem 12: 137–140Google Scholar
  67. Bernstein L, Ogata G (1966) Effects of salinity on nodulation, nitrogen fixation and growth of soybeans and alfalfa. Agron J 58: 201–203Google Scholar
  68. Bethlenfalvay GJ, Phillips DA (1979) Variation in nitrogenase and hydrogenase activity in Alaska pea root nodules. Plant Physiol 63: 816–820PubMedGoogle Scholar
  69. Bezdicek DF, Evans DW, Abede B, Witters RE (1978) Evaluation of plant and granular inoculum for soybean yield and N fixation under irrigation. Agron J 70: 865–868Google Scholar
  70. Bhuvaneswari TV, Bhagwat A A, Bauer WD (1981) Transient susceptibility of root cells in four common legumes to nodulation by rhizobia. Plant Physiol 68: 1144–1149PubMedGoogle Scholar
  71. Bieberdorf FW (1938) The cytology and histology of the root nodules of some Leguminosae. J Am Soc Agron 30: 375–389Google Scholar
  72. Biggins DR, Postgate JR (1969) Nitrogen fixation by cultures and cell-free extracts of Mycobacterium flavum301. J Gen Microbiol 56: 181–193PubMedGoogle Scholar
  73. Biggins DR, Postgate JR (1971) Confusion in the taxonomy of a nitrogen-fixing bacterium currently classified as Mycobacterium flavum301. J Gen Microbiol 65: 119–123PubMedGoogle Scholar
  74. Bisseling T, Moen AA, Bos van den RC, Kämmen van A (1980) The sequence of appearance of leghaemoglobin and nitrogenase components I and II in root nodules of Pisum sativum. J Gen Microbiol 118: 377–381Google Scholar
  75. Blasco J, Jordan DC (1976) Nitrogen fixation in the muskeg ecosystem of the James Bay Lowlands, Northern Ontario. Can J Microbiol 22: 897–907PubMedGoogle Scholar
  76. Bohlool BB, Schmidt EL (1973) Persistence and competition aspects of Rhizobium japonicumobserved in soil by immunofluorescence microscopy. Soil Sci Soc Am Proc 37: 561–564Google Scholar
  77. Bohlool BB, Wiebe WJ (1978) Nitrogen-fixing communities in an intertidal ecosystem. Can J Microbiol 24: 932–938PubMedGoogle Scholar
  78. Boland MJ, Farnden KJF, Robertson JG (1980) Ammonia assimilation in nitrogen-fixing legume nodules. In: Newton WE, Orme-Johnson WH (eds) Nitrogen fixation, vol II. Univ Park Press, BaltimoreGoogle Scholar
  79. Bond G (1955) An isotopic study of the fixation of nitrogen associated with nodulated plants of Alnus, Myrica and Hippophaë. J Exp Bot 6: 303–311Google Scholar
  80. Bond G (1956) Evidence for fixation of nitrogen by root nodules of Alder (Alnus) under field conditions. New Phytol 55: 147–153Google Scholar
  81. Bond G (1958) Symbiotic nitrogen fixation by non-legumes. In: Hallsworth EG (ed) Nutrition of the legumes. Butterworths Scientific Publications, LondonGoogle Scholar
  82. Bond G (1967) Fixation of nitrogen by higher plants other than legumes. Annu Rev Plant Physiol 18: 107–126Google Scholar
  83. Bond G (1976) The results of the IBP survey of root nodule formation in non-leguminous angiosperms. In: Nutman PS (ed) Symbiotic nitrogen fixation in plants. Cambridge Univ Press, CambridgeGoogle Scholar
  84. Bond G, Mackintosh AH (1975) Diurnal changes in nitrogen fixation in the root nodules of Casuarina. Proc R Soc London Ser B 192: 1–12Google Scholar
  85. Bond G, Scott GD (1955) An examination of some symbiotic systems for fixation of nitrogen. Ann Bot (London) 19: 67–77Google Scholar
  86. Bond G, Fletcher WW, Ferguson TP (1954) The development and function of the root nodules of Alnus, Myricaand Hippophaë. Plant Soil 5: 309–323Google Scholar
  87. Bone DH (1971) Nitrogenase activity and nitrogen assimilation in Anabaena flos-aquaegrowing in continuous culture. Arch Mikrobiol 80: 234–241PubMedGoogle Scholar
  88. Bowen GD (1959) Specificity and nitrogen fixation in the Rhizobium symbiosis of Centrosema pubescensBenth. Queensl J Agric Sci 16: 267–281Google Scholar
  89. Bowen GD, Kennedy M (1959) Effect of high soil temperatures on Rhizobiumspp. Queensl J Agric Sci 16: 177–197Google Scholar
  90. Bowra BJ, Dilworth MJ (1981) Motility and chemotaxis towards sugars in Rhizobium leguminosarum. J Gen Microbiol 126: 231–235Google Scholar
  91. Boyd WL, Staley JT, Boyd JW (1966) Ecology of soil microorganisms of Antarctica. Antarct Res Ser 8: 125–159Google Scholar
  92. Brasell HM, Davies SK (1981) Nitrogen fixation associated with colonising bryophytes. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  93. Bray RA (1977) The effect of Rhizobiumon the response to recurrent phenotypic selection for seedling weight in lucerne (Medicago sativa). In: Proc 3rd Int Congr SABRAO CSIRO, Canberra, AustraliaGoogle Scholar
  94. Brewin NJ, Johnston AWB, Beringer J (1980) The genetics of Rhizobium. In: Stewart WDP, Gallon JR (eds) Nitrogen fixation. Academic Press, London New YorkGoogle Scholar
  95. Brock TD (1973) Lower pH limits for the existence of blue-green algae: evolutionary and ecological implications. Science 197: 480–483Google Scholar
  96. Brockwell J (1977) Application of legume seed inoculants. In: Hardy RWF, Gibson AH (eds) A treatise on dinitrogen fixation, Sect I V. ( Agronomy and ecology). Wiley-Interscience, New YorkGoogle Scholar
  97. Brockwell J (1980) Experiments with crop and pasture legumes: principles and practice. In: Bergersen FJ (ed) Methods for evaluating biological nitrogen fixation. Wiley, ChichesterGoogle Scholar
  98. Brockwell J, Hely FW (1966) Symbiotic characteristics of Rhizobium meliloti: an appraisal of the systematic treatment of nodulation and nitrogen fixation interactions between hosts and rhizobia of diverse origins. Aust J Agric Res 17: 885–899Google Scholar
  99. Brockwell J, Gault RR, Chase DL, Hely FW, Zorin M, Corbin EJ (1980) An appraisal of practical alternatives to legume seed inoculation: field experiments on seed bed inoculation with solid and liquid inoculants. Aust J Agric Res 31: 47–60Google Scholar
  100. Bromfleld ESP, Jones DG (1979) The competitive ability and symbiotic effectiveness of doubly labelled antibiotic resistant mutants of Rhizobium trifolii. Ann Appl Biol 92: 211–219Google Scholar
  101. Bromfleld ESP, Jones DG (1980) Studies on acid tolerance of Rhizobium trifoliiin culture and soil. J Appl Bacteriol 48: 253–264Google Scholar
  102. Broughton WJ, Egeraat van AWSM, Lie TA (1980) Dynamics of Rhizobiumcompetition for nodulation of Pisum sativumcv. Afghanistan. Can J Microbiol 26: 562–565PubMedGoogle Scholar
  103. Bülow von JFW, Dobereiner J (1975) Potential for nitrogen fixation in maize genotypes in Brazil. Proc Natl Acad Sci USA 72: 2389–2393Google Scholar
  104. Bunnell FL, MacLean Jr ST, Brown J (1975) In: Rosswell T, Heal OW (eds) Structure and function of tundra ecosystems. Ecol Bull Stockholm 20: 73–124Google Scholar
  105. Burns RC, Hardy RWF (1975) Nitrogen fixation in bacteria and higher plants. Springer Berlin Heidelberg New YorkGoogle Scholar
  106. Burt RL, Williams WT, Grof B (1980) Stylosanthes- structure, adaptation and utilisation. In: Summerfield RJ, Bunting AH (eds) Advances in legume science. R Bot Gard, KewGoogle Scholar
  107. Bushby HVA (1981a) Quantitative estimation of rhizobia in non-sterile soil using antibiotics and fungicides. Soil Biol Biochem 13: 237–239Google Scholar
  108. Bushby HVA (1981b) Changes in the numbers of antibiotic-resistant rhizobia in the soil and rhizosphere of field grown Vigna mungocv Regur. Soil Biol Biochem 13: 241–245Google Scholar
  109. Bushby HVA, Marshall KC (1977) Desiccation-induced damage to the cell envelope of root nodule bacteria. Soil Biol Biochem 9: 149–152Google Scholar
  110. Caldwell BF, Vest HG (1977) Genetic aspects of nodulation and dinitrogen fixation by legumes: the macrosymbiont. In: Hardy RWF, Silver WS (eds) A treatise on dinitrogen fixation, Sect I II ( Biology). Wiley-Interscience, New YorkGoogle Scholar
  111. Callaham D, Del Tredici P, Torrey JG (1978) Isolation and cultivation in vitro of the actinomycete causing root nodulation in Comptonia. Science 199: 899–02PubMedGoogle Scholar
  112. Callaham D, Newcomb W, Torrey JG, Peterson RL (1979) Root hair infection in actino- mycete-induced root nodule initiation in Casuarina, Myricaand Comptonia. Bot Gaz Suppl 140: 51–59Google Scholar
  113. Callaham DA, Torrey JG (1981) The structural basis for infection of root hairs of Trifolium repensby Rhizobium. Can J Bot 59: 1647–1664Google Scholar
  114. Cameron RE (1970) Soil microbial ecology of Valley of 10,000 Smokes, Alaska. J Arz Acad Sci 6: 11–40Google Scholar
  115. Cameron RE (1971) Antarctic soil microbial and ecological investigations. In: Research in the Antarctic. AAAS Symposium, Dallas, pp 137–189Google Scholar
  116. Cameron RE, Fuller WH (1960) Nitrogen fixation by soil algae in Arizona soils. Soil Sci Soc Am Proc 24: 353–356Google Scholar
  117. Canizo A, Miguel C, Rodriguez-Barrueco C (1978) The effect of pH on nodulation and growth of Coriaria myrtifoliaL. Plant Soil 94:195–198Google Scholar
  118. Capone D (1977) N2(C2H2) fixation by macroalgal epiphytes. Proc 3rd Int Coral Reef Symp Univ of Miami, FLGoogle Scholar
  119. Capone DG, Taylor BF (1977) Nitrogen fixation (acetylene reduction) in the phyllosphere of Thalassia testudinum. Mar Biol 40: 19–28Google Scholar
  120. Capone DG, Taylor DL, Taylor BF (1977) Nitrogen fixation (acetylene reduction) associated with macroalgae in a coral-reef community in the Bahamas. Mar Biol 40: 29–32Google Scholar
  121. Capone DG, Penhale PA, Oremland RS, Taylor BF (1979) Relationship between productivity and nitrogen (ethylene) fixation in a Thalassia testudinumcommunity. Limnol Oceanogr 24: 117–125Google Scholar
  122. Caradus JR, Silvester WB (1979) Rhizobium specific anthocyanin-like marker in lupin nodules. Plant Soil 51: 437–440Google Scholar
  123. Carling DE, Brown MF (1980) Relative effect of vesicular-arbuscular mycorrhizal fungi on the growth and yield of soybeans. Soil Sci Soc Am J 44: 528–532Google Scholar
  124. Carling DE, Riehle WG, Brown MF, Johnson DR (1978) Effects of vesicular-arbuscular mycorrhizal fungus on nitrate reductase and nitrogenase activities in nodulating and non-nodulating soybeans. Phytopathology 68: 1590–1596Google Scholar
  125. Carpenter EJ (1972) Nitrogen fixation by a blue-green epiphyte on pelagic sargassum. Science 178: 1207–1209PubMedGoogle Scholar
  126. Carpenter EJ, Price CC (1977) Nitrogen fixation, distribution and production of Oscillatoria(Trichodesmiumspp.) in the Western Sargasso and Caribbean Seas. Limnol Oceanogr 22: 60–62Google Scholar
  127. Carpenter EJ, Raalte van CD, Caliela I (1978) Nitrogen fixation by algae in a Massachusetts, USA, salt marsh. Limnol Oceanogr 23:318–327Google Scholar
  128. Cassman KG, Whitney AS, Fox RL (1981) Phosphorus requirements of soybean and cowpea as affected by mode of N nutrition. Agron J 73: 17–22Google Scholar
  129. Chambers CA, Smith SE, Smith FA, Ramsey MD, Nicholas DJ (1980b) Symbiosis of Trifolium subterraneumwith mycorrhizal fungi and Rhizobium trifoliias affected by ammonium sulphate and nitrification inhibitors. Soil Biol Biochem 12: 93–100Google Scholar
  130. Chandler MR (1978) Some observations on infection of Arachis hypogaeaL. by Rhizobium. J Exp Bot 29: 749–755Google Scholar
  131. Chao W-L, Alexander M (1981) Interaction between protozoa and Rhizobium and chemically amended soil. Soil Sci Soc Am J 45: 48–50Google Scholar
  132. Chapman VJ, Chapman DJ (1973) The algae, 2nd edn. Macmillan and Co Ltd, LondonGoogle Scholar
  133. Chatel DL, Parker CA (1973) The colonization of host-root and soil by rhizobia. I. Species and strain differences in the field. Soil Biol Biochem 5: 425–432Google Scholar
  134. Chaudhary AH (1979) Nitrogen-fixing root nodules in Datisca cannabinaL. Plant Soil 51: 163–165Google Scholar
  135. Chen HK (1938) Production of growth-substance by clover nodule bacteria. Nature (London) 142: 753Google Scholar
  136. Chen PC, Phillips DA (1977) Induction of root nodule senescence by combined nitrogen in Pisum sativumL. Plant Physiol 59: 440–442PubMedGoogle Scholar
  137. Chhonkar PK, Subba Rao NS (1966) Fungi associated with legume root nodules and their effect on rhizobia. Can J Microbiol 12: 1253–1261Google Scholar
  138. Coker GT, Schubert KR (1981) Carbon dioxide fixation in soybean roots and nodules. I. Characterization and comparison with N2fixation and composition of xylem exudate during early nodule development. Plant Physiol 67: 691–696PubMedGoogle Scholar
  139. Coventry DR, Trinick MJ, Appleby CA (1976) A search for a leghaemoglobin-like compound in root nodules of Trema cannabina. Biochim Biophys Acta 420: 105–111PubMedGoogle Scholar
  140. Criswell JG, Havelka UD, Quebedeaux B, Hardy RWF (1976) Adaptation of nitrogen fixation by intact soybean nodules to altered rhizosphere pO2. Plant Physiol 58: 622–625PubMedGoogle Scholar
  141. Criswell JG, Havelka UD, Quebedeaux B, Hardy RWF (1977) Effect of rhizosphere pO2on nitrogen fixation by excised and intact nodulated soybean roots. Crop Sci 17: 39–44Google Scholar
  142. Crittenden PD, Kershaw KA (1978) Discovery of the role of lichens in the nitrogen cycle of Boreal-Arctic ecosystems. Bryologist 81: 258–267Google Scholar
  143. Crittenden PD, Kershaw KA (1979) Studies on lichen-dominated systems. XXII. The environmental control of nitrogenase activity in Stereocaulon paschalein spruce-lichen woodland. Can J Bot 57: 236–254Google Scholar
  144. Crossland CJ, Barnes DJ (1976) Acetylene reduction by coral skeletons. Limnol Oceanogr 21: 153–155Google Scholar
  145. Daesch G, Mortenson LE (1968) Sucrose catabolism in Clostridium pasteurianumand its relation to N2 fixation. J Bacteriol 96: 346–351PubMedGoogle Scholar
  146. Daesch G, Mortenson LE (1972) Effect of ammonia on the synthesis and function of the N2-fixing enzyme system in Clostridium pasteurianum. J Bacteriol 110: 103–109PubMedGoogle Scholar
  147. Daft MJ, El-Giahmi AA (1974) Effect of Endogonemycorrhiza on plant growth. VII. Influence of infection on the growth and nodulation in French Bean (Phaseolus vulgaris). New Phytol 73: 1139–1147Google Scholar
  148. Dalton DA, Zobel DB (1977) Ecological aspects of nitrogen fixation by Purshia tridentata. Plant Soil 48: 57–80Google Scholar
  149. Dalton H (1980) Chemoautotrophic nitrogen fixation. In: Stewart WDP, Gallon JR (eds) Nitrogen fixation. Academic Press, London New YorkGoogle Scholar
  150. Dalton H, Yates MG (1974) Fixation of dinitrogen by free-living microorganisms. CRC Crit Rev Microbiol 3: 183–220Google Scholar
  151. Damirgi SM, Johnson HW (1966) Effect of soil actinomycetes on strains of Rhizobium japonicum. Agron J 58: 223–224Google Scholar
  152. Damirgi SM, Frederick LR, Anderson IC (1967) Serogroups of Rhizobium japonicumin soybean nodules as affected by soil types. Agron J 59: 10–12Google Scholar
  153. Darbyshire JF (1966) Studies on the physiology of nodule formation. IX. The influence of combined nitrogen, glucose, light intensity and daylength on root hair infection in clover. Ann Bot (London) 30: 623–638Google Scholar
  154. Dart PJ (1977) Infection and development of leguminous nodules. In: Hardy RWF, Silver WS (eds) A treatise on dinitrogen fixation, Sect I II ( Biology). Wiley-Interscience, New YorkGoogle Scholar
  155. Dart PJ, Mercer FV (1965a) The effect of growth temperature, level of ammonium nitrate, and light intensity on the growth and nodulation of cowpea (Vigna sinensisEndl. ex Hassk.). Aust J Agric Res 16: 321–345Google Scholar
  156. Dart PJ, Mercer FV (1965b) The influence of ammonium nitrate on the fine structure of nodules of Medicago tribuloidesDesr. and Trifolium subterraneum L. Arch Mikro- biol 51: 233–257Google Scholar
  157. Date RA (1973) Nitrogen, a major limitation in the productivity of natural communities, crops and pastures in the Pacific area. Soil Biol Biochem 5: 5–18Google Scholar
  158. Date RA, Halliday J (1979) Selecting Rhizobiumfor acid, infertile soils of the tropics. Nature (London) 277: 62–64Google Scholar
  159. David KAV, Fay P (1977) Effects of long-term treatment with acetylene on nitrogen-fixing microorganisms. Appl Environ Microbiol 34: 640–646PubMedGoogle Scholar
  160. David KAV, Apte SK, Thomas J (1978) Stimulation of nitrogenase by acetylene: fresh synthesis or conformational change? Biochem Biophys Res Commun 82: 39–45PubMedGoogle Scholar
  161. Davis EB, Tischer RG, Braun LR (1966) Nitrogen fixation by the blue-green algae Anabaena flos-aquaeA-37. Plant Physiol 19: 823–826Google Scholar
  162. Dazzo FB (1980) Lectins and their saccharide receptors as determinants of specificity in the Rhizobium-legume symbiosis. In: Subtleney S, Wesselles NK (eds) The cell surface: mediator of developmental processes. Academic Press, London New YorkGoogle Scholar
  163. Dazzo FB, Brill WJ (1978) Regulation by fixed nitrogen of host-symbiont recognition in Rhizobium-clover symbiosis. Plant Physiol 62: 18–21PubMedGoogle Scholar
  164. Dazzo FB, Hubbell DH (1975) Cross-reactive antigens and lectin as determinants of symbiotic specificity in the Rhizobium-clover association. Appl Microbiol 30: 1017–1033PubMedGoogle Scholar
  165. Dazzo FB, Hrabak EM, Urbano MR, Sherwood JE, Truchet G (1981) Regulation of recognition in the Rhizobium-clover symbiosis. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  166. Dean JR, Clark KW (1980) Effect of low level nitrogen fertilization on nodulation, acetylene reduction and dry matter in faba bean and three other legumes. Can J Plant Sci 60: 121–130Google Scholar
  167. Degenhardt TL, LaRue TA, Paul EA (1976) Investigation of a non-nodulating cultivar of Pisum sativum. Can J Bot 54: 1633–1636Google Scholar
  168. Demelon A, Dunez A (1938) Symbiose bacterienne et culture des legumineuses. Ann Agron 8: 220–237Google Scholar
  169. Denarie J, Rosenberg C, Boistard P, Truchet G, Casse-Delbart F (1981) Plasmid control of symbiotic properties in Rhizobium meliloti. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  170. Denison WC (1973) Life in tall trees. Sci Am 228: 70–80Google Scholar
  171. De-Polli H, Matsui E, Döbereiner J, Salati E (1977) Confirmation of nitrogen fixation in two tropical grasses by 15N2 incorporation. Soil Biol Biochem 9: 119–123Google Scholar
  172. Deshmukh VA, Shrikhande JF (1975) Effect of some herbicides on azotobacter and non-symbiotic nitrogen fixation in the soil. Indian J Agric Chem 8: 95–98Google Scholar
  173. Devine TE, Kuykendall LD, Breithaupt BH (1980) Nodulation of soybeans carrying the nodulation-restrictive gene, rj1, by an incompatible Rhizobium japonicumstrain upon mixed inoculation with a compatible strain. Can J Microbiol 26: 179–182PubMedGoogle Scholar
  174. Diatloff A (1965) Larvae of Rivelliasp. (Diptera: Platysomatidae) attacking the root nodules of Glycine javanicaL. J Entomol Soc Queensl 4: 86Google Scholar
  175. Diatloff A (1967) Effect of soil moisture fluctuation on legume nodulation and nitrogen fixation in a black earth soil. Queensl J Agric Anim Sci 24: 315–321Google Scholar
  176. Diatloff A (1970) Overcoming fungicide toxicity to rhizobia by insulating with a polyvinyl acetate layer. J Aust Inst Agric Sci 36: 293–294Google Scholar
  177. Diatloff A, Brockwell J (1976) Ecological studies of root nodule bacteria introduced into field environments. Aust J Exp Agric Anim Husb 16: 514–521Google Scholar
  178. Dijk van C (1978) Spore formation and endophyte diversity in root nodules of Alnus glutinosa(L.) Vill. New Phytol 81: 601–615Google Scholar
  179. Dilworth MJ (1966) Acetylene reduction by nitrogen-fixing preparations from Clostridium pasteurianum. Biochim Biophys Acta 127: 285–294PubMedGoogle Scholar
  180. Dilworth MJ, Glenn AR (1981) Control of carbon substrate utilization by rhizobia. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  181. Dilworth MJ, Kidby DK (1968) Localisation of iron and leghaemoglobin in the legume root nodule by electron microscope autoradiography. Exp Cell Res 49: 148–159PubMedGoogle Scholar
  182. Dilworth MJ, Robson AD, Chatel DL (1979) Cobalt and nitrogen fixation in Lupinus angustifoliusL. II. Nodule formation and function. New Phytol 83: 63–79Google Scholar
  183. Dixon ROD (1967) Hydrogen uptake and exchange by pea root nodules. Ann Bot (London) 31: 179–188Google Scholar
  184. Dixon ROD (1972) Hydrogenase in legume root nodule bacteroids: Occurrence and properties. Arch Mikrobiol 85: 193–201PubMedGoogle Scholar
  185. Döbereiner J (1974) Nitrogen-fixing bacteria in the rhizosphere. In: Quispel A (ed) The biology of nitrogen fixation. North Holland Publishing Company, AmsterdamGoogle Scholar
  186. Döbereiner J, Boddey RM (1981) Nitrogen fixation in association with Gramineae. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  187. Döbereiner J, Campelo AB (1977) Importance of legumes and their contribution to tropical agriculture. In: Hardy RWF, Gibson AH (eds) A treatise on dinitrogen fixation, Sect I V ( Agronomy and ecology). Wiley-Interscience, New YorkGoogle Scholar
  188. Döbereiner J, Day JM (1976) Associative symbioses in tropical grasses: characterization of microorganisms and dinitrogen-fixing sites. In: Newton WE, Nyman CJ (eds) Proc 1st Int Symp Nitrogen Fixation. Washington State Univ Press, PullmanGoogle Scholar
  189. Döbereiner J, Day JM, Dart PJ (1972) Nitrogenase activity and oxygen sensitivity of the Paspalum notatum- Azotobacter paspaliassociation. J Gen Microbiol 71: 103–116Google Scholar
  190. Doku EV (1970) Effect of daylength and water on nodulation of cowpea [Vigna unguiculata(L.) Walp.] in Ghana. Exp Agric 6: 13–18Google Scholar
  191. Dommergues Y (1981) Casuarina equisetifoliain Western Africa. Proc International Casuarina Workshop. CSIRO Aust Div For Res, Canberra, in pressGoogle Scholar
  192. Dreyfus BL, Dommergues YR (1981) Nitrogen-fixing nodules induced by Rhizobiumon the stem of the tropical legume Sesbania rostrata. FEMS Microbiol Lett 10: 313–317Google Scholar
  193. Dromgoole FI, Silvester WA, Hicks BJ (1978) Nitrogenase activity associated with Codium species from New Zealand marine habitats. N Z J Mar Freshwater Res 12: 17–22Google Scholar
  194. Dudman WF (1977) Serological methods and their application to dinitrogen-fixing organisms. In: Hardy RWF, Gibson AH (eds) A treatise on dinitrogen fixation, Sect I V ( Agronomy and ecology). Wiley Interscience, New YorkGoogle Scholar
  195. Dunigan EP, Frey JP, Allen LD, McMahon A (1972) Herbicidal effects on the nodulation of Glycine max. Agron J 64: 806–808Google Scholar
  196. Eckart JF, Raguse CA (1980) Effects of diurnal variation in light and temperature on the acetylene reduction activity (nitrogen fixation) of subterranean clover. Agron J 72: 519–523Google Scholar
  197. Egeraat van AWSM (1975) The possible role of homoserine in the development of Rhizobium leguminosarumin the rhizosphere of pea seedlings. Plant Soil 42: 381–386Google Scholar
  198. Ek-Jander J, Fahraeus G (1971) Adaptation of Rhizobium to subarctic environment in Scandinavia. In: Lie TA, Mulder EG (eds) Biological nitrogen fixation in natural and agricultural habitats. Martinus Nijhoff, The HagueGoogle Scholar
  199. Emerich DW, Ruiz-Argueso T, Ching TM, Evans HJ (1979) Hydrogen-dependent nitrogenase activity and ATP formation in Rhizobium japonicum bacteroids. J Bacteriol 137: 153–160PubMedGoogle Scholar
  200. Emoto Y (1967) Studies on the thermal flora of Japan, Part 8. Mag Hot Spring Eng Assoc 5: 124–131Google Scholar
  201. Engin M, Sprent JI (1973) Effects of water stress on growth and nitrogen-fixing activity of Trifolium repens. New Phytol 72: 117–126Google Scholar
  202. Englund B (1977) The physiology of the lichen Peltigera aphthosa, with special reference to the blue-green phycobiont (Nostoc sp.). Physiol Plant 41: 298–304Google Scholar
  203. Englund B (1978) Algal nitrogen fixation on the lava field of Heimaey, Iceland. Oecologia (Berlin) 34: 45–56Google Scholar
  204. Eskew DL, Ting IP (1977) Comparison of intact plant and excised root assays for acetylene reduction in grass rhizospheres. Plant Sci Lett 8: 327–331Google Scholar
  205. Eskew DL, Ting IP (1978) Nitrogen fixation by legumes and blue-green algal-lichen crusts in a Colorado desert environment. Am J Bot 65: 850–856Google Scholar
  206. Evans HJ, Russell SA (1971) Physiological chemistry of symbiotic nitrogen fixation by legumes. In: Postgate JR (ed) The chemistry and biochemistry of nitrogen fixation. Plenum Press, London New YorkGoogle Scholar
  207. Evans HJ, Purohit K, Cantrell MA, Eisbrenner G, Russell SA, Hanus FJ, Lepo J (1981) Hydrogen losses and hydrogenases in nitrogen-fixing organisms. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  208. Evans J, Barnet YM, Vincent JM (1979) Effect of a bacteriophage on colonisation and nodulation of clover roots by paired strains of Rhizobium trifolii. Can J Microbiol 25: 974–978PubMedGoogle Scholar
  209. Eyster C (1972) In: Desikachary TV Taxonomy and biology of blue-green algae. Univ Madras, MadrasGoogle Scholar
  210. Farnworth RB, Clawson MA (1972) Agron Abstr 96Google Scholar
  211. Farrington P (1974) Effect of planting time on growth and seed yield of lupins, peas and vetches on the Swan Coastal Plain, Western Australia. Aust J Exp Agric Anim Husb 14: 539–546Google Scholar
  212. Fay P (1965) Heterotrophy and nitrogen fixation in Chlorogloea fritschii. J Gen Microbiol 39: 11–20PubMedGoogle Scholar
  213. Federov MV, Kalininskaya TA (1961) A new species of nitrogen-fixing Mycobacteriumand its physiological properties. Microbiology 30: 9–14Google Scholar
  214. Fessenden RJ, Knowles R, Brouzes R (1973) Acetylene-ethylene assay studies on excised root nodules of Myrica asplenifoliaL. Soil Sci Soc Am Proc 37: 893–898Google Scholar
  215. Finke LR, Seeley Jr HW (1978) Nitrogen fixation (acetylene reduction) by epiphytes of freshwater macrophytes. Appl Environ Microbiol 36: 129–138PubMedGoogle Scholar
  216. Fogg GE, Stewart WDP (1968) In situ determinations of biological nitrogen fixation in Antarctica. Br Antarc Surv Bull 15: 38–46Google Scholar
  217. Fogg GE, Stewart WDP, Fay P, Walsby AE (1973) The blue-green algae. Academic Press, London New YorkGoogle Scholar
  218. Forman RTT, Dowden DL (1977) Nitrogen-fixing lichens. Roles from desert to alpine in the Sangre-de-Criste mountains, New Mexico, USA. Bryologist 80: 561–570Google Scholar
  219. Foulds W (1978) Response to soil moisture supply in three leguminous species. II. Rate of N2(C2H2)-fixation. New Phytol 80: 547–555Google Scholar
  220. Franco AA, Vincent JM (1976) Competition amongst rhizobial strains for the colonization and nodulation of two tropical legumes. Plant Soil 45: 27–48Google Scholar
  221. Franco AA, Peres JRR, Nery M (1978) The use of Azotobacter paspali nitrogenase (C2H2 reduction activity) to measure molybdenum deficiency in soils. Plant Soil 50: 1–11Google Scholar
  222. Fraser ME (1975) A method of culturing Rhizobium melilotion porous granules to form a preinoculant for lucerne seed. J Appl Bacteriol 39: 345–351Google Scholar
  223. Fred EB, Baldwin IL, McCoy E (1932) Root nodule bacteria and leguminous plants. Univ Wisconsin Press, MadisonGoogle Scholar
  224. Fried M, Middleboe V (1977) Measurement of amount of nitrogen fixed by a legume crop. Plant Soil 47: 713–715Google Scholar
  225. Gallacher AE, Sprent JI (1978) The effect of different water regimes on growth and nodule development of greenhouse-grown Vicia faba. J Exp Bot 29: 413–423Google Scholar
  226. Gallon J, Mullineaux PM, Chaplin AE (1981) Protection of Gloeocapsanitrogenase from oxygen: studies in the light and in the dark. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  227. Garcia MM, Jordan DC (1969) Action of 2,4-DB and Dalapon on the symbiotic properties of Lotus corniculatus ( Birdsfoot Trefoil ). Plant Soil 30: 317–334Google Scholar
  228. Gardner IC (1976) Ultrastructural studies of non-leguminous root nodules. In: Nutman PS (ed) Symbiotic nitrogen fixation in plants. Cambridge Univ Press, CambridgeGoogle Scholar
  229. Gatehouse JA, Boulter D (1980) Isolation and properties of a lectin from the roots of Pisum sativum( Garden Pea ). Physiol Plant 49: 437–442Google Scholar
  230. Gates CT (1974) Nodule and plant development in Stylosanthes humilisHBK: symbiotic response to phosphorus and sulphur. Aust J Bot 22: 45–55Google Scholar
  231. Gauthier D, Diem HG, Dommergues Y (1981) In vitro nitrogen fixation by two actinomycete strains isolated from Casuarina nodules. Appl Environ Microbiol 41: 306–308PubMedGoogle Scholar
  232. Gerdemann JW, Nieolson TH (1963) Spores of mycorrhizal Endogone species extracted from soil by wet sieving and decanting. Trans Br Mycol Soc 46: 235–244Google Scholar
  233. Gibson AH (1964) Genetic control of strain-specific ineffective nodulation in Trifolium subterraneum L. Aust J Agrie Res 15: 37–49Google Scholar
  234. Gibson AH (1967a) Carbon dioxide limitations of plant growth in tube culture with special reference to legume nodulation studies. Aust J Biol Sci 20: 837–842Google Scholar
  235. Gibson AH (1967b) Physical environment and symbiotic nitrogen fixation. IV. Factors affecting the early stages of nodulation. Aust J Biol Sci 20: 1087–1104Google Scholar
  236. Gibson AH (1967c) Physical environment and symbiotic nitrogen fixation. V. The effect of time of exposure to unfavorable root temperature. Aust J Biol Sci 20: 1105–1117Google Scholar
  237. Gibson AH (1968) Nodulation failure of Trifolium subterraneumL. cv Woogenellup (syn. Marrar). Aust J Agrie Res 19: 907–918Google Scholar
  238. Gibson AH (1969) Physical environment and symbiotic nitrogen fixation. VI. Nitrogen retention within the nodules of Trifolium subterraneum L. Aust J Biol Sci 22: 829–838Google Scholar
  239. Gibson AH (1971) Factors in the physical and biological environment affecting nodulation and nitrogen fixation by legumes. In: Lie TA, Mulder EG (eds) Biological nitrogen fixation in natural and agricultural habitats. Martinus Nijhoff, The HagueGoogle Scholar
  240. Gibson AH (1974) Consideration of the growing legume as a symbiotic association. Proc Indian Natl Sci Acad 40B: 741–767Google Scholar
  241. Gibson AH (1976a) Recovery and compensation by nodulated legumes to environmental stress. In: Nutman PS (ed) Symbiotic nitrogen fixation in plants. Cambridge Univ Press, CambridgeGoogle Scholar
  242. Gibson AH (1976b) Limitation to dinitrogen fixation by legumes. In: Newton WE, Nyman CJ (eds) Proc 1st Int Symp Nitrogen Fixation. Washington State Univ Press, PullmanGoogle Scholar
  243. Gibson AH (1977) The influence of the environment and managerial practices on the legumQ-Rhizobiumsymbiosis. In: Hardy RWF, Gibson AH (eds) A treatise on dinitrogen fixation, Sect I V ( Agronomy and ecology). Wiley Interscience, New YorkGoogle Scholar
  244. Gibson AH (1980) Methods for legumes in glasshouses and controlled environment cabinets. In: Bergersen FJ (ed) Methods for evaluating biological nitrogen fixation. Wiley, Chichester, pp 139–184Google Scholar
  245. Gibson AH, Nutman PS (1960) Studies on the physiology of nodule formation. 7. A reappraisal of the effect of preplanting. Ann Bot (London) 24: 420–433Google Scholar
  246. Gibson AH, Pagan JD (1977) Nitrate effects on the nodulation of legumes inoculated with nitrate-reductase-deficient mutants of Rhizobium. Planta 134: 17–22Google Scholar
  247. Gibson AH, Date RA, Ireland J A, Brockwell J (1976a) A comparison of effectiveness and persistence among five strains of Rhizobium trifolii. Soil Biol Biochem 8: 395–401Google Scholar
  248. Gibson AH, Scowcroft WR, Child J J, Pagan JD (1976b) Nitrogenase activity in cultured Rhizobiumsp. strain 32H1: nutritional and physical considerations. Arch Microbiol 108: 45–54PubMedGoogle Scholar
  249. Gibson AH, Scowcroft WR, Pagan JD (1977) Nitrogen fixation in plants: An expanding horizon. In: Newton WE, Postgate JR, Rodriguez-Barrueco C (eds) Recent developments in nitrogen fixation. Academic Press, London New YorkGoogle Scholar
  250. Gibson AH, Dreyfus BL, Lawn RJ, Sprent JI, Turner GL (1981) Host and environmental factors affecting hydrogen evolution and uptake. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  251. Gitte RR, Rai PV, Patil RB (1978) Chemotaxis of Rhizobiumsp. towards root exudate for Cicer arietinumL. Plant Soil 50: 553–566Google Scholar
  252. Goering J J, Parker PL (1972) Nitrogen fixation by epiphytes on seagrasses. Limnol Oceanogr 17: 320–323Google Scholar
  253. Goh KM, Edmeades DC, Robinson BW (1978) Field measurements of symbiotic nitrogen fixation in an established pasture using acetylene reduction and a 15N method. Soil Biol Biochem 10: 13–20Google Scholar
  254. Goodchild DJ (1977) The ultrastructure of root nodules in relation to nitrogen fixation. In: Bourne GH, Danielli JF, Jeon KW (eds) International review of cytology, suppl 6. Studies in ultrastructure. Academic Press, London New YorkGoogle Scholar
  255. Goodchild DJ, Bergersen FJ (1966) Electron microscopy of the infection and subsequent development of soybean nodule cells. J Bacteriol 92: 204–213PubMedGoogle Scholar
  256. Gorbet DW, Burton JC (1979) A non-nodulating peanut. Crop Sci 19: 727–728Google Scholar
  257. Gossett DR, Egli DB, Leggett JE (1977) The influence of calcium deficiency on the translocation of photosynthetically fixed 14C in soybeans. Plant Soil 48: 243–251Google Scholar
  258. Graham PH (1979) Influence of temperature on growth and nitrogen fixation in cultivars of Phaseolus vulgaris L., inoculated with Rhizobium. J Agric Sci 93: 365–370Google Scholar
  259. Granhall U (1970) Acetylene reduction by blue-green algae from Swedish soil. Oikos 21: 330–332Google Scholar
  260. Granhall U, Basilier K (1973) Nitrogen fixation in tundra moss communities. Swed IBP Tundra Biome Tech Rep 14: 174–190Google Scholar
  261. Granhall U, Henriksson E (1969) Nitrogen fixing blue-green algae in Swedish soils. Oikos 20: 175–178Google Scholar
  262. Granhall U, Hofsten AV (1976) Nitrogenase activity in relation to intracellular organisms in Sphagnummosses. Physiol Plant 36: 88–94Google Scholar
  263. Granhall U, Lid-Torsvik V (1975) Nitrogen fixation by bacteria and free-living blue-green algae in tundra areas. In: Wielgolaski FE (ed) Fennoscandian Tundra Ecosystems Part I. Ecological studies, vol 16. Springer, Berlin Heidelberg New YorkGoogle Scholar
  264. Granhall U, Selander H (1973) Nitrogen fixation in a subarctic mire. Oikos 24: 8–15Google Scholar
  265. Greenway H, Andrew WD (1962) A screening technique to predict field behaviour of medics on saline soil. Aust J Exp Agric Anim Husb 2: 234–235Google Scholar
  266. Grove TS, O’Connell AM, Malajczuk N (1980) Effects of fire on the growth, nutrient content and rate of nitrogen fixation of the cycad Macrozamia riedlei. Aust J Bot 28: 271–281Google Scholar
  267. Guy P, Gibbs A, Harrower K (1980) The effect of white clover mosaic virus on nodulation of white clover (Trifolium repensL. cv Ladino). Aust J Agric Res 31: 307–311Google Scholar
  268. Haahtela K, Wartiovaara T, Sundman V, Skujins J (1981) Root-associated N2 fixation (acetylene reduction) by Enterobacteriaceaeand Azospirillumstrains in cold-climate spodosols. Appl Environ Microbiol 41: 203–206PubMedGoogle Scholar
  269. Hagedorn C (1979) Relationship of antibiotic resistance to effectiveness in Rhizobium trifoliipopulations. Soil Sci Soc Am J 43: 921–925Google Scholar
  270. Hällbom L, Bergman B (1979) Influence of certain herbicides and a forest fertilizer on the nitrogen fixation by the lichen Peltigera praetextata. Oecologia (Berlin) 40: 19–27Google Scholar
  271. Hallgren IE, Huss K (1975) Effects of SO2on photosynthesis and nitrogen fixation. Physiol Plant 34: 171–176Google Scholar
  272. Halliday J, Pate JS (1976) Symbiotic nitrogen fixation by coralloid roots of the cycad Macrozamia riedlei: physiological characteristics and ecological significance. Aust J Plant Physiol 3: 349–358Google Scholar
  273. Ham GE, Frederick LR, Anderson IC (1971) Serogroups of Rhizobium japonicumin soybean nodules sampled in Iowa. Agron J 63: 69–72Google Scholar
  274. Hamdi YA (1971) Soil-water tension and movement of rhizobia. Soil Biol Biochem 3: 121–126Google Scholar
  275. Hanson RB (1977) Comparison of nitrogen fixation activity in tall and short Spartina alterniflora salt marsh soils. Appl Environ Microbiol 33: 596–602PubMedGoogle Scholar
  276. Hardarson G, Jones DG (1979) Effect of temperature on competition amongst strains of Rhizobium trifoliifor nodulation of two white clover varieties. Ann Appl Biol 92: 229–236Google Scholar
  277. Hardy RWF, Holsten RD, Jackson EK, Burns RC (1968) The acetylene-ethylene assay for N2fixation: Laboratory and field evaluation. Plant Physiol 43: 1185–1207PubMedGoogle Scholar
  278. Hardy RWF, Burns RC, Hebert RR, Holsten RD, Jackson EK (1971) Biological nitrogen fixation: A key to world protein. In: Lie TA, Mulder EG (eds) Biological nitrogen fixation in natural and agricultural habitats. Martinus Nijhoff, The HagueGoogle Scholar
  279. Hardy RWF, Burns RC, Holsten RD (1973) Applications of the acetylene-ethylene assay for measurement of nitrogen fixation. Soil Biol Biochem 5: 47–81Google Scholar
  280. Harper JE, Cooper RL (1971) Nodulation response of soybeans (Glycine maxL. Merr.) to application rate and placement of combined nitrogen. Crop Sci 11: 438–440Google Scholar
  281. Hart AL, Jessop DJ, Galpin J (1981) The response to phosphorous of white clover and lotus inoculated with rhizobia or given KNO3. N Z J Agric Res 24: 27–32Google Scholar
  282. Hartwig EO, Stanley SO (1978) Nitrogen fixation in Atlantic deep-sea and coastal sediments. Deep-Sea Res 25: 411–417Google Scholar
  283. Havelka UD, Hardy RWF (1976) Legume N2fixation as a problem in carbon nutrition. In: Newton WE, Nyman CJ (eds) Proc 1st Int Symp Nitrogen Fixation. Washington State Univ Press, PullmanGoogle Scholar
  284. Haystead A, Marriott C (1979) Effects of rates and times of application of starter dressings of nitrogen fertilizer to surface sown perennial rye grass-white clover on hill peat. Grass Forage Sci 34: 241–247Google Scholar
  285. Head WD, Carpenter EJ (1975) Nitrogen fixation associated with the marine macroalga Codium fragile. Limnol Oceanogr 20: 815–823Google Scholar
  286. Heinemeyer O, Draeger S, Jagnow G (1977) Beeinflussung der Nitrogenase-Aktivität von Clostridium pasteurianumund Azotobacter chroococcumim Boden durch Pestizide. Mitt Biol Bundesanst Land-Forstwirtsch Berlin-Dahlem 178: 230–231Google Scholar
  287. Heisey RM, Delwiche CC, Virginia RA, Wrona AF, Bryan BA (1980) A new nitrogen-fixing non-legume: Chamaebatia foliolosa( Rosaceae ). Am J Bot 67: 429–431Google Scholar
  288. Hely FW (1957) Symbiotic variation in Trifolium ambiguumM. Bieb. with special reference to the nature of resistance. Aust J Biol Sci 10: 1–16Google Scholar
  289. Hely FW, Bergersen FJ, Brockwell J (1957) Microbial antagonism in the rhizosphere as a factor in the failure of inoculation of subterranean clover. Aust J Agric Res 8: 24–44Google Scholar
  290. Hely FW, Hutchings RJ, Zorin M (1980) Methods of rhizobial inoculation and sowing techniques for Trifolium subterraneumestablishment in a harsh winter environment. Aust J Agric Res 31: 703–712Google Scholar
  291. Henriksson E (1971) Algal nitrogen fixation in temperate regions. In: Lie TA, Mulder EG (eds) Biological nitrogen fixation in natural and agricultural habitats. Nijhoff, The HagueGoogle Scholar
  292. Henriksson LE, Silva da EJ (1978) Effects of some inorganic elements on nitrogen fixation in blue-green algae and some ecological aspects of pollution. Z Allg Mikrobiol 18: 487–494PubMedGoogle Scholar
  293. Henriksson E, Simu B (1971) Nitrogen fixation by lichens. Oikos 22: 119–121Google Scholar
  294. Henzell EF (1968) Sources of nitrogen for Queensland pastures. Trop Grassl 2: 1–17Google Scholar
  295. Herridge DF (1981) Estimating N2fixation in field-grown soybeans using ureide and nitrate analyses of plant parts and nodulating status of the plant throughout growth. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  296. Herridge DF, Atkins CA, Pate JS, Rainbird RM (1978) Allantoin and allantoic acid in the N economy of the cowpea (Vigna unguiculata( L.) Walp.). Plant Physiol 62: 495–498PubMedGoogle Scholar
  297. Higashi S, Abe M (1980) Promotion of infection thread formation by substances from Rhizobium. Appl Environ Microbiol 39: 297–301PubMedGoogle Scholar
  298. Hitch CJB (1971) A study of some environmental factors affecting nitrogenase activity in lichens. MSc thesis, Univ DundeeGoogle Scholar
  299. Hitch CJB, Stewart WDP (1973) Nitrogen fixation by lichens in Scotland. New Phytol 72: 509–524Google Scholar
  300. Holl FB, LaRue TA (1976) Genetics of legume plant hosts. In: Newton WE, Nyman CJ (eds) Proc 1st Int Symp Nitrogen Fixation. Washington State Univ Press, PullmanGoogle Scholar
  301. Holland AA, Parker CA (1966) Studies on microbial antagonism in the establishment of clover pasture 2. The effect of saprophytic soil fungi upon Rhizobium trifoliiand the growth of subterranean clover. Plant Soil 25: 329–340Google Scholar
  302. Hong TD, Minchin FR, Summerfield RJ (1977) Recovery of nodulated cowpea plants [Vigna unguiculata( L.) Walp.] from waterlogging during vegetative growth. Plant Soil 48: 661–672Google Scholar
  303. Hopkins EW (1935) The effect of long and short day and shading on nodule development and composition of the soybean. Soil Sci 39: 297–321Google Scholar
  304. Horne AJ (1971) The ecology of nitrogen fixation of Signy Island, South Orkney Islands. Br Antarct Surv Bull 27: 843–902Google Scholar
  305. Home AJ (1972) The ecology of nitrogen fixation of Signy Island, South Orkney Islands. Br Antarct Surv Bull 28: 1–18Google Scholar
  306. Huang C-Y, Boyer JS, Vanderhoef LN (1975b) Limitation of acetylene reduction (nitrogen fixation) by photosynthesis in soybean having low water potentials. Plant Physiol 56: 228–232PubMedGoogle Scholar
  307. Hubbell DH, Morales VM, Umali-Garcia M (1978) Pectolytic enzymes in Rhizobium. Appl Environ Microbiol 35: 210–213PubMedGoogle Scholar
  308. Hunter MN, Jabrun de PLM, Byth DE (1980) Response of nine soybean lines to soil moisture conditions close to saturation. Aust J Exp Agric Anim Husb 20: 339–345Google Scholar
  309. Huss-Danell K (1977a) Nitrogen fixation by Stereocaulon paschaleunder field conditions. Can J Bot 55: 585–592Google Scholar
  310. Huss-Danell K (1977b) Nitrogenase activity in the lichen Stereocaulon paschale: recovery after dry storage. Physiol Plant 41: 158–161Google Scholar
  311. Huss-Danell K (1978) Seasonal variation in the capacity for nitrogenase activity in the lichen Stereocaulon paschale. New Phytol 81: 89–98Google Scholar
  312. Hutton EM, Coote JN (1972) Genetic variation in the nodulating ability of Greenleaf Desmodium. J Aust Inst Agric Sci 38: 68–69Google Scholar
  313. Huxley PA, Summerfield RJ, Hughes AP (1976) Growth and development of soybean cv. TK 5 as affected by tropical daylengths, day/night temperatures and nitrogen nutrition. Ann Appl Biol 82: 117 - 133Google Scholar
  314. Imrie BC (1975) The use of agar tube culture for early selection for nodulation of Desmodium intortum. Euphytica 24: 625–631Google Scholar
  315. Ireland J A, Vincent JM (1968) A quantitative study of competition for nodule formation. In: Trans 9th Int Congr Soil Sci Soc, vol II, AdelaideGoogle Scholar
  316. Islam R, Ayanaba A, Sanders FE (1980) Response of cowpea (Vigna unguiculata) to inoculation with VA-mycorrhizal fungi and to rock phosphate fertilization in some unsterilized Nigerian soils. Plant Soil 54: 107–117Google Scholar
  317. Ito O, Cabrera D, Watanabe I (1980) Fixation of dinitrogen-15 associated with rice plants. Appl Environ Microbiol 39: 554–558PubMedGoogle Scholar
  318. Jensen HL (1951) Notes on the microbiology of soil from Northern Greenland. Medd Groenl 142: 23–29Google Scholar
  319. Johnston AWB, Beringer JE (1976) Mixed inoculation with effective and ineffective strains of Rhizobium leguminosarum. J Appl Bacteriol 40: 375–380PubMedGoogle Scholar
  320. Jones DG, Burrows AC (1968) Breeding for increased nodule tissue in white clover (Trifolium repens). J Agric Sci 71: 73–79Google Scholar
  321. Jones MB, Lawler PW, Murphy AH (1971) Establishment of sub clover in relation to nodulation, time of seeding and climatic variations. J Range Manage 24: 147–150Google Scholar
  322. Jones RJ (1965) The use of cyclodiene insecticides as liquid seed dressings to control bean fly (Melanagromyza phaseoli) in species of Phaseolusand Vigna marinain southeastern Queensland. Aust J Exp Agric Anim Husb 5: 458–465Google Scholar
  323. Jordan DC (1981a) Reduction of the inoculation barrier in Medicago laciniataby alteration of the root temperature. Plant Soil 61: 93–111Google Scholar
  324. Jordan DC (1981b) Nitrogen fixation by selected free-living and associative microorganisms. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  325. Jordan DC, McNicol PJ (1979) A new nitrogen fixing Clostridiumspecies from a high Arctic ecosystem. Can J Microbiol 25: 947–948PubMedGoogle Scholar
  326. Jordan DC, McNicol PJ, Marshall MR (1978) Biological nitrogen fixation in the terrestrial environment of a high Arctic ecosystem (Truelove Lowland, Devon Island, NWT). Can J Microbiol24: 643–649PubMedGoogle Scholar
  327. Josey DP, Beynon JL, Johnston AWB, Beringer JE (1979) Strain identification in Rhizobiumusing intrinsic antibiotic resistance. J Appl Bacteriol 46: 343–350Google Scholar
  328. Jurgensen MF, Davey CB (1971) Non-symbiotic nitrogen fixing microorganisms in forest and tundra soils. Plant Soil 34: 341–356Google Scholar
  329. Kallio P (1975) In: Structure and function of tundra ecosystems. Ecol Bull (Stockholm) 20:193–223Google Scholar
  330. Kallio P, Suhonen S, Kallio H (1972) The ecology of nitrogen fixation in Nephroma arcticumand Solorina crocea. Rep Kevo Subarct Res Stn 9: 7–14Google Scholar
  331. Kallio S, Varheenmaa T (1974) On the effect of air pollution on nitrogen fixation in lichens. Rep Kevo Subarct Res Stn 11: 42–46Google Scholar
  332. Kallio S, Wilkinson RE (1977) The effects of some herbicides on nitrogenase activity and carbon fixation in two subarctic lichens. Bot Gaz 128: 468–473Google Scholar
  333. Kandasamy D, Prasad NN (1979) Colonization by rhizobia of the seed and roots of legumes in relation to exudation of phenolics. Soil Biol Biochem 11: 73–75Google Scholar
  334. Kaneshiro T, Crowell CD, Hanrahan RF (1978) Acetylene reduction activity in free-living cultures of rhizobia. Int J Syst Bacteriol 28: 27–31Google Scholar
  335. Kapulnik Y, Sarig S, Nur I, Okon Y, Kigel J, Henis Y (1981) Yield increases in summer cereal crops in Israeli fields inoculated with Azospirillum. Exp Agric 17: 179–187Google Scholar
  336. Kapusta G, Rouwenhorst DL (1973) Interaction of selected pesticides and Rhizobium japonicumin pure culture and under field conditions. Agron J 65: 112–115Google Scholar
  337. Kapustka LA, Rice EL (1978) Symbiotic and asymbiotic nitrogen fixation in a tall prairie. Soil Biol Biochem 10: 553–554Google Scholar
  338. Kershaw KA, Millbank JW (1970) Nitrogen metabolism in lichens. II. The partition of cephalodial-fixed nitrogen between the mycobiont and the phycobionts of Peltigera aphthosa. New Phytol 69: 75–79Google Scholar
  339. Keyer HH, Munns DN, Hohenberg JS (1979) Acid tolerance of rhizobia in culture and in symbiosis with cowpea. Soil Sci Soc Am J 43: 719–722Google Scholar
  340. Kingsley MT, Bohlool BB (1981) Release of Rhizobiumspp. from tropical soils and recovery for immunofluorescence enumeration. Appl Environ Microbiol 42: 241–248PubMedGoogle Scholar
  341. Kishinevsky B, Gurfel D (1980) Evaluation of enzyme-linked immunosorbent assay (ELISA) for serological identification of different Rhizobiumstrains. J Appl Bacteriol 49: 517–526Google Scholar
  342. Kleczkowska J (1950) A study of phage resistant mutants of Rhizobium trifolii. J Gen Microbiol 4: 298–310PubMedGoogle Scholar
  343. Klucas R (1972) Nitrogen fixation of Klebsiellagrown in the presence of oxygen. Can J Microbiol 18: 1845–1850PubMedGoogle Scholar
  344. Knowles R (1980) Nitrogen fixation in natural plant communities and soils. In: Bergersen FJ (ed) Methods for evaluating biological nitrogen fixation. Wiley, ChichesterGoogle Scholar
  345. Knowles R (1981) The measurement of nitrogen fixation. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  346. Knowles R, Wishart C (1977) Nitrogen fixation in arctic marine sediments: effect of oil and hydrocarbon fractions. Environ Pollut 13: 133–149Google Scholar
  347. Knowlton S, Berry A, Torrey JG (1980) Evidence that associated soil bacteria may influence root hair infection of actinorrhizal plants by Frankia. Can J Microbiol 26: 971–977PubMedGoogle Scholar
  348. Kobayashi M, Haque MZ (1971) Contribution to nitrogen fixation and soil fertility by photo synthetic bacteria. In: Lie TA, Mulder EG (eds) Biological nitrogen fixation in natural and agricultural habitats. Martinus Nijhof, The HagueGoogle Scholar
  349. Kurz WGW, LaRue TA (1977) Citric acid cycle enzymes and nitrogenase in nodules of Pisum sativum. Can J Microbiol 23: 1197–1200Google Scholar
  350. Kush AK, Dadarwal KR (1981) Root exudates as pre-invasive factors in the nodulation of chick pea varieties. Soil Biol Biochem 13: 51–55Google Scholar
  351. Kvien CS, Ham GE, Lambert JW (1981) Recovery of introduced Rhizobium japonicumstrains by soybean genotypes. Agron J 73: 900–905Google Scholar
  352. Labandera CA, Vincent JM (1975) Competition between an introduced strain and native Uruguayan strains of Rhizobium trifolii. Plant Soil 42:327–347Google Scholar
  353. Laing WA, Christeller JT, Sutton WD (1979) Carbon dioxide fixation by lupin root nodules. II. Studies with 14C-labeled glucose, the pathway of glucose catabolism, and the effects of some treatments that inhibit nitrogen fixation. Plant Physiol 63: 450–454PubMedGoogle Scholar
  354. Lalonde M, Calvert HE (1979) Production of Frankia hyphae and spores as an infective inoculant for Alnusspecies. In: Gordon JC, Wheeler CT, Perry DA (eds) Symbiotic nitrogen fixation in the management of temperate forests. For Res Lab, Oregon State Univ, CorvallisGoogle Scholar
  355. Lalonde M, Quispel A (1977) Ultrastructural and immunological demonstration of the nodulation of the European Alnus glutinosa(L.) Gaertn. host plant by the North American Alnus crispavar. mollisFern, root nodule endophyte. Can J Microbiol 23: 1529–1547PubMedGoogle Scholar
  356. Lambert GR, Daday A, Smith GD (1979) Hydrogen evolution from immobilised cultures of the cyanobacterium Anabaena cylindricaB 629. FEBS Lett 101: 125–128PubMedGoogle Scholar
  357. Larsen MJ, Jurgensen MF, Harvey AE (1978a) Nitrogen fixation associated with wood decayed by some common fungi in western Montana. Can J For Res 8: 341–345Google Scholar
  358. Larsen MJ, Jurgensen MF, Harvey AE, Ward JC (1978b) Dinitrogen fixation associated with sporophores of Fomitopsis pinicola, Fomes fomentarius, and Echinodontium tinctorium. Mycologia 70: 1217–1222Google Scholar
  359. LaRue TA (1977) The bacteria. In: Hardy RWF, Silver WS (eds) A treatise on dinitrogen fixation; Sect I II ( Biology). Wiley-Inter science, New YorkGoogle Scholar
  360. LaRue TAG, Kurz WGW (1973) Estimation of nitrogenase in intact legumes. Can J Microbiol 19: 304–305Google Scholar
  361. Lawn RJ, Brun WA (1974) Symbiotic nitrogen fixation in soybeans. I. Effect of photosynthetic source-sink manipulations. Crop Sci 14: 11–16Google Scholar
  362. Lawrie AC, Wheeler CT (1975) Nitrogen fixation in the root nodules of Vicia fabain relation to the assimilation of carbon. II. Dark fixation of carbon dioxide. New Phytol 74: 437–445Google Scholar
  363. Lazaroff N, Vishniac W (1961) The effect of light on the developmental cycle of Nostoc muscorum, a filamentous blue-green algae. J Gen Microbiol 25: 365–374PubMedGoogle Scholar
  364. Lechevalier MP, Lechevalier HA (1979) The taxonomic position of actinomycetic endophytes. In: Gordon JC, Wheeler CT, Perry DA (eds) Symbiotic nitrogen fixation in the management of temperate forests. For Res Lab, Oregon State Univ, CorvallisGoogle Scholar
  365. Legg JO, Sloger C (1975) A tracer method for determining symbiotic nitrogen fixation in field studies. In: Klein ER, Klein PD (eds) Proc 2nd Int Conf Stable Isotopes, Oak Brook,, IllinoisGoogle Scholar
  366. Lepo JE, Hanus FJ, Evans HJ (1980) Chemoautotrophic growth of hydrogen-uptake-positive strains of Rhizobium japonicum. J Bacteriol 141: 664–670PubMedGoogle Scholar
  367. Lepo JE, Hickok RE, Cantrell MA, Russell SA, Evans HJ (1981) Revertible hydrogen uptake-deficient mutants of Rhizobium japonicum. J Bacteriol 146: 614–620PubMedGoogle Scholar
  368. Levee G (1974) The role of Nostocin the Blasia-Nostocsymbiosis. Am J Bot Suppl 61: 59Google Scholar
  369. Lex M, Silvester WB, Stewart WDP (1972) Photorespiration and nitrogenase activity in the blue-green algae, Anabaena cylindrica. Proc R Soc London Ser B 180: 87–102Google Scholar
  370. Libbenga KR, Harkes PAA (1973) Initial proliferation of cortical cells in the formation of root nodules on Pisum sativumL. Planta 114: 17–28Google Scholar
  371. Libbenga KR, Torrey JG (1973) Hormone-induced endoreduplication prior to mitosis in cultured pea root cortex cells. Am J Bot 60: 293–299Google Scholar
  372. Lie TA (1969) Non-photosynthetic effects of red and far-red light on root-nodule formation by leguminous plants. Plant Soil 30: 391–404Google Scholar
  373. Lie TA (1971) Symbiotic nitrogen fixation under stress conditions. In: Lie TA, Mulder EG (eds) Biological nitrogen fixation in natural and agricultural habitats. Martinus Nijhoff, The HagueGoogle Scholar
  374. Lie TA (1974) Environmental effects on nodulation and symbiotic nitrogen fixation. In: Quispel A (ed) The biology of nitrogen fixation. Elsevier/North Holland, AmsterdamGoogle Scholar
  375. Lie TA, Hille D, Lambers R, Houvers A (1976) Symbiotic specialisation in pea plants: some environmental effects on nodulation and nitrogen fixation. In: Nutman PS (ed) Symbiotic nitrogen fixation in plants. Cambridge Univ Press, CambridgeGoogle Scholar
  376. Lindemann WC, Ham GE (1979) Soybean plant growth, nodulation, and nitrogen fixation as affected by root temperature. Soil Sci Soc Am J 43: 1134–1137Google Scholar
  377. Lindsay DC (1978) The role of lichens in Antarctic ecosystems. Bryologist 81: 268–276Google Scholar
  378. Line MA, Loutit MW (1971) Non-symbiotic nitrogen-fixing organisms from some New Zealand tussock-grassland soils. J Gen Microbiol 66: 309–318Google Scholar
  379. Ljunggren H, Fahraeus G (1961) The role of polygalacturonase in roothair invasion by nodule bacteria. J Gen Microbiol 26: 521–528PubMedGoogle Scholar
  380. Loveday J (1963) Influence of oxygen diffusion rate on nodulation of subterranean clover. Aust J Sci 26: 90Google Scholar
  381. MacFarlane JD, Kershaw KA (1978) Thermal sensitivity in lichens. Science 201: 739–741PubMedGoogle Scholar
  382. MacFarlane JD, Maikawa E, Kershaw KA, Oaks A (1976) Environmental-physiological interactions in lichens. I. The interaction of light-dark periods and nitrogenase activity in Peltigera polydactyla. New Phytol 77: 705–711Google Scholar
  383. Mackintosh ME (1978) Nitrogen fixation by Thiobacillus ferroxidans. J Gen Microbiol 105: 215–219Google Scholar
  384. Magee LA, Colmer AR (1955) The effect of herbicides on soil microorganisms. III. The effect of some herbicides on the respiration of Azotobacter. Appl Microbiol 3: 288–292PubMedGoogle Scholar
  385. Mague TH, Weare NM, Holm-Hansen O (1974) Nitrogen fixation in the north Pacific Ocean. Mar Biol 24: 109–119Google Scholar
  386. Mague TH, Mague FC, Holm-Hansen O (1977) Physiology and chemical composition of nitrogen-fixing phytoplankton in the central north Pacific Ocean. Mar Biol 41: 213–227Google Scholar
  387. Mahler RL, Wollum AG (1981) The influence of soil water potential and soil texture on the survival of Rhizobium japonicumand Rhizobium leguminosarumisolates in the soil. Soil Sci Soc Am J 45: 761–766Google Scholar
  388. Manhart JR, Wong PP (1980) Nitrate effect on nitrogen fixation (acetylene reduction). Plant Physiol 65: 502–505PubMedGoogle Scholar
  389. Marques Pinto C, Yao PY, Vincent JM (1974) Nodulating competitiveness amongst strains of Rhizobium melilotiand R. trifolii. Aust J Agric Res 25: 317–329Google Scholar
  390. Martinez-Molina E, Morales VM, Hubbell DH (1979) Hydrolytic enzyme production by Rhizobium. Appl Environ Microbiol 38: 1186–1188PubMedGoogle Scholar
  391. Masefleld GB (1955) Conditions affecting the nodulation of leguminous crops in the field. Emp J Exp Agric 23: 17–24Google Scholar
  392. Masefield GB (1957) The nodulation of annual leguminous crops in Malaya. Emp J Exp Agric 25: 139–150Google Scholar
  393. Masefield GB (1961) The effect of irrigation on nodulation of some leguminous crops. Emp J Exp Agric 29: 51–59Google Scholar
  394. Masterson CL, Murphy PM (1976) Application of the acetylene reduction technique to the study of nitrogen fixation by white clover in the field. In: Nutman PS (ed) Symbiotic nitrogen fixation in plants. Cambridge Univ Press, CambridgeGoogle Scholar
  395. Masterson CL, Sherwood MT (1974) The selection of Rhizobium trifoliistrains by white and subterranean clovers. Ir J Agric Res 13: 91–100Google Scholar
  396. Masterson CL, Sherwood MT (1978) Some effects of increased atmospheric carbon dioxide on white clover (Trifolium repens) and pea (Pisum sativum). Plant Soil 49: 421–426Google Scholar
  397. Matsumoto T, Yatazawa M, Yamamoto Y (1977) Distribution and change in the contents of allantoin and allantoic acid in developing nodulating and non-nodulating soybean plants. Plant Cell Physiol 18: 353–359Google Scholar
  398. Matveyeva NV, Parinkina OM, Chernov Yul (1975) In: Rosswall T, Heal OW (eds) Structure and function of tundra ecosystems. Ecol Bull (Stockholm) 20: 61–72Google Scholar
  399. McClung CR, Patriquin DG (1980) Isolation of a nitrogen-fixing Campylobacterspecies from the roots of Spartina alternifoliaLoisel. Can J Microbiol 26: 881–886PubMedGoogle Scholar
  400. McClure PR, Israel DW, Volk RJ (1980) Evaluation of the relative ureide content of xylem sap as an indicator of N2 fixation in soybean. Plant Physiol 66: 720–725PubMedGoogle Scholar
  401. McRoy CP, Goering J J (1974) Nutrient transfer of the seagrass Zostera marinaand its epiphytes. Nature (London) 248: 173–174Google Scholar
  402. Miettienen JK, Virtanen AI (1952) The free amino acids in the leaves, roots and root nodules of the alder (Alnus). Physiol Plant 5: 540–557Google Scholar
  403. Millbank JW (1974) Associations with blue-green algae. In: Quispel A (ed) The biology of nitrogen fixation. Elsevier/North Holland, Amsterdam New YorkGoogle Scholar
  404. Millbank JW (1977) Lower plant associations. In: Hardy RWF, Silver WS (eds) A treatise on dinitrogen fixation, Sect I II ( Biology). Wiley Interscience, New YorkGoogle Scholar
  405. Millbank JW (1981) Nitrogen fixation by lichens under simulated field conditions. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  406. Minchin FR, Summerfield RJ (1976) Symbiotic nitrogen fixation and vegetative growth of cowpea ( Vigna unguiculata) in waterlogged conditions. Plant Soil 45: 113–127Google Scholar
  407. Minchin FR, Summerfield RJ, Eaglesham ARJ, Stewart KA (1978) Effects of short-term waterlogging on growth and yield of cowpea (Vigna unguiculata). J Agric Sci 90: 355–366Google Scholar
  408. Minchin FR, Summerfield RJ, Neves MCP (1981) Nitrogen nutrition of cowpeas (Vigna unguiculata): effects of timing of inorganic nitrogen applications on nodulation, plant growth and seed yield. Trop Agric (Trinidad) 58: 1–12Google Scholar
  409. Moiroud A, Capellano A (1979) Etude de la dynamique de l’azote à haute altitude. I. Fixation d’azote (réduction de l’acetylène) par Alnus viridis. Can J Bot 57: 1979–1985Google Scholar
  410. Moore AW (1969) Azolla: biology and agronomic significance. Bot Rev 35:17-34Google Scholar
  411. Morley S J, Jones DG (1980) A note on the highly sensitive modified ELISA technique for Rhizobiumstrain identification. J Appl Bacteriol 49: 103–109Google Scholar
  412. Mulder EG, Brotonegoro S (1974) Free-living heterotrophic nitrogen-fixing bacteria. In: Quispel A (ed) The biology of nitrogen fixation. Elsevier/North Holland, Amsterdam New YorkGoogle Scholar
  413. Mulder EG, Veen van WL (1960) The influence of carbon dioxide on symbiotic nitrogen fixation. Plant Soil 13: 265 - 278Google Scholar
  414. Munns DN (1968) Nodulation of Medicago sativain solution culture. IV. Effects of indole-3-acetate in relation to acidity and nitrate. Plant Soil 29: 257–262Google Scholar
  415. Munns DN (1977a) Mineral nutrition and the legume symbiosis. In: Hardy RWF, Gibson AH (eds) A treatise on dinitrogen fixation, Sect I V ( Agronomy and ecology). Wiley Interscience, New YorkGoogle Scholar
  416. Munns DN (1977b) Soil acidity and related factors. In: Vincent JM, Whitney AS, Bose J (eds) Exploiting the legume-Rhizobiumsymbiosis in tropical agriculture. Coll Trop Agric Univ Hawaii Mise Publ 145: 211–236Google Scholar
  417. Munns DN, Fox RL (1977) Comparative lime requirements of tropical and temperate legumes. Plant Soil 46: 533–548Google Scholar
  418. Munns DN, Fogle VW, Hallock BG (1977a) Alfalfa root nodule distribution and inhibition of nitrogen fixation by heat. Agron J 69: 377–380Google Scholar
  419. Munns DN, Fox RL, Koch BL (1977b) Influence of lime on nitrogen fixation by tropical and temperate legumes. Plant Soil 46: 591–601Google Scholar
  420. Munns DN, Keyser HH, Fogle VW, Hohenberg JS, Righetti TL, Lauter DL, Zaroug MG, Clarkin KL, Whitacre KW (1979) Tolerance of soil acidity in symbiosis of mungbean with rhizobia. Agron J 71: 256–260Google Scholar
  421. Munns DN, Hohenberg JS, Righetti TL, Lauter DJ (1981) Soil acidity tolerance of symbiotic and N-fertilized soybeans. Agron J 73: 407–410Google Scholar
  422. Mytton LR, McAdam NJ, Portlock P (1978) Enzyme polymorphism as an aid to the identification of Rhizobiumstrains. Soil Biol Biochem 10: 79–80Google Scholar
  423. Neilson AH, Sparell L (1976) Acetylene reduction (nitrogen fixation) by Enterobacteriaceaeisolated from paper mill process waters. Appl Environ Microbiol 32: 197–205PubMedGoogle Scholar
  424. Neumann D von, Ackerman M, Jacob F (1970) Zur Feinstruktur der endophytischen Cyanophyceen von Gunnera chilensisLam. Biochem Physiol Pflanz 161: 483–498Google Scholar
  425. Newton JW, Herman AI (1979) Isolation of cyanobacteria from the aquatic fern, Azolla. Arch Microbiol 120: 161–165Google Scholar
  426. Neyra CA, Dobereiner J (1977) Nitrogen fixation in grasses. Adv Agron 29: 1–38Google Scholar
  427. Noel KD, Brill WJ (1980) Diversity and dynamics of indigenous Rhizobium japonicumpopulations. Appl Environ Microbiol 40: 931–938PubMedGoogle Scholar
  428. Norris DO (1958) A red strain of Rhizobiumfrom Lotononis bainesii. Aust J Agric Res 9: 629–632Google Scholar
  429. Norris DO, Mannetje ’t L (1964) The symbiotic specialization of African Trifoliumspp. in relation to their taxonomy and their agronomic use. E Afr Agric For J 29: 214–235Google Scholar
  430. Norris DO, Lopes ES, Weber DF (1970) The use of organic mulch and lime pelleting in field testing of Rhizobiumstrains under field conditions. Pesqui Agropecu Bras 5: 129–135Google Scholar
  431. Nutman PS (1949) Nuclear and cytoplasmic inheritance of resistance to infection by nodule bacteria in red clover. Heredity 3: 263–291PubMedGoogle Scholar
  432. Nutman PS (1956) The influence of the legume in root nodule symbiosis: a comparative study of host determinants and functions. Biol Rev 31: 109–151Google Scholar
  433. Nutman PS (1959) Some observations on root hair infection by nodule bacteria. J Exp Bot 10: 250–263Google Scholar
  434. Nutman PS (1961) Variation in symbiotic effectiveness in subterranean clover (Trifolium subterraneumL.) Aust J Agric Res 12: 212–226Google Scholar
  435. Nutman PS (1969) Genetics of symbiosis and nitrogen fixation in legumes: a review. Proc R Soc London Ser B 172: 417–437Google Scholar
  436. Nutman PS (1976) IBP field experiments on nitrogen fixation by nodulated legumes. In: Nutman PS (ed) Symbiotic nitrogen fixation in plants. Cambridge Univ Press, CambridgeGoogle Scholar
  437. Nutman PS (1980) Adaptation. In: Stewart WDP, Gallon JR (eds) Nitrogen fixation, Academic Press, London New YorkGoogle Scholar
  438. Nutman PS (1981) Hereditary host factors affecting nodulation and nitrogen fixation. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  439. Nutman PS, Riley J (1981) Breeding of nodulated red clover (Trifolium pratense) for high yield. Ann Appl Biol 98: 319–331Google Scholar
  440. Oghoghorie CGO, Pate JS (1971) The nitrate stress syndrome of the nodulated field pea (Pisum arvenseL.). In: Lie TA, Mulder EG (eds) Biological nitrogen fixation in natural and agricultural habitats. Martinus Nijhoff, The HagueGoogle Scholar
  441. Okon Y, Albrecht SL, Burris RH (1977) Methods for growing Spirillum lipoferumand for counting it in pure culture and in association with plants. Appl Environ Microbiol 33: 85–88PubMedGoogle Scholar
  442. Olsen C (1970) On biological nitrogen fixation in nature, particularly blue-green algae. C R Trav Lab Carlsberg 37: 269–283PubMedGoogle Scholar
  443. Orcutt FS, Fred EB (1935) Light intensity as an inhibiting factor in the fixation of atmospheric nitrogen by Manchu soybeans. J Am Soc Agron 27: 550–558Google Scholar
  444. Orellana RG, Fan FF (1978) Nodule infection by bean yellow mosaic virus in Phaseolus vulgaris. Appl Environ Microbiol 36: 814–818PubMedGoogle Scholar
  445. Orme-Johnson WH (1977) Biochemistry of nitrogenase. In: Hollaender A, Burris RH, Day PR, Hardy RWF, Helinski DR, Lamborg MR, Owens L, Valentine RC (eds) Genetic engineering for nitrogen fixation. Plenum Press, London New YorkGoogle Scholar
  446. Paerl HW, Kellar PE (1979) Nitrogen fixing Anabaena: physiological adaptations instrumental in maintaining surface blooms. Science 204: 620–622PubMedGoogle Scholar
  447. Pahwa K, Dogra RC (1981) H2-Recycling system in mungbean Rhizobium in relation to N2fixation. Arch Microbiol 129: 380–383Google Scholar
  448. Pankhurst CE (1977) Symbiotic effectiveness of antibiotic-resistant mutants of fast- and slow-growing strains of Rhizobiumnodulating Lotusspecies. Can J Microbiol 23: 1026–1033PubMedGoogle Scholar
  449. Pankhurst CE, Sprent JI (1975a) Effect of water stress on the respiratory and nitrogen-fixing activity of soybean root nodules. J Exp Bot 26: 287–304Google Scholar
  450. Papen H, Werner D (1979) N2-Fixation in Erwinia herbicola. Arch Microbiol 120: 25–30Google Scholar
  451. Parker CA (1954) Effect of oxygen in the fixation of nitrogen by Azotobacter. Nature (London) 173: 780–781Google Scholar
  452. Parker CA, Trinick MJ, Chatel DL (1977) Rhizobia as soil and rhizosphere inhabitants. In: Hardy RWF, Gibson AH (eds) A treatise on dinitrogen fixation, Sect I V ( Agronomy and ecology). Wiley Interscience, New YorkGoogle Scholar
  453. Pate JS (1961) Perennial nodules on native legumes in the British Isles. Nature (London) 192: 376–377Google Scholar
  454. Pate JS (1980) Transport and partitioning of nitrogenous solutes. Annu Rev Plant Physiol 31: 313–340Google Scholar
  455. Pate JS, Dart PJ (1961) Nodulation studies in legumes 4. The influence of inoculum strain and time of application of ammonium nitrate on symbiotic response. Plant Soil 15: 329–346Google Scholar
  456. Pate JS, Atkins CA, Rainbird RM (1981) Theoretical and experimental costing of nitrogen fixation and related processes in nodules of legumes. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci CanberraGoogle Scholar
  457. Patriquin D (1972) The origin of nitrogen and phosphorus for growth of the marine angiosperm Thalassia testudinum. Mar Biol 15: 35–46Google Scholar
  458. Patriquin DG, Dobereiner J (1978) Light microscopy observations of tetrazolium-reducing bacteria in the endorhizosphere of maize and other grasses in Brazil. Can J Microbiol 24: 734–742PubMedGoogle Scholar
  459. Patterson RP, Raper CD, Gross HD (1979) Growth and specific nodule activity of soybean during application and recovery of a leaf moisture stress. Plant Physiol 64: 551–556PubMedGoogle Scholar
  460. Pedersen WL, Chakrabarty K, Klucas RV, Vidaver AK (1978) Nitrogen fixation (acetylene reduction) associated with roots of winter wheat and sorghum in Nebraska. Appl Environ Microbiol 35: 129–135PubMedGoogle Scholar
  461. Pena-Cabriales JJ, Alexander M (1979) Survival of Rhizobiumin soils undergoing drying. Soil Sci Soc Am J 43: 962–966Google Scholar
  462. Peters GA (1975) The Azolla-Anabaenarelationship. III. Studies on metabolic capabilities and a further characterization of the symbiont. Arch Mikrobiol 103: 113–122Google Scholar
  463. Peters GA (1977) The Azolla-Anabaena azollaesymbiosis. In: Hollaender A (ed) Genetic engineering for nitrogen fixation. Plenum Press, London New YorkGoogle Scholar
  464. Peters GA, Mayne VC (1974) The Azolla-Anabaena azollaerelationship. I. Initial characterization for the association. Plant Physiol 53: 813–819PubMedGoogle Scholar
  465. Peters GA, Toia RE, Raveed D, Levine NJ (1980) The Azolla-Anabaena azollaerelationship. VI. Morphological aspects of the association. New Phytol 80: 583–593Google Scholar
  466. Peters GA, Ito O, Tyagi VVS, Mayne BC, Kaplan D, Calvert HE (1981) Photosynthesis and N2 fixation in the Azolla-Anabaenasymbiosis. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  467. Peterson JB, Evans HJ (1979) Phosphoenolpyruvate carboxylase from soybean nodule cytosol. Biochim Biophys Acta 567: 445–452PubMedGoogle Scholar
  468. Peterson MA, Barnes DK (1981) Inheritance of ineffective nodulation and non-nodulation traits in alfalfa. Crop Sci 21: 611–616Google Scholar
  469. Pfennig N (1967) Photosynthetic bacteria. Annu Rev Microbiol 21: 285–324PubMedGoogle Scholar
  470. Phillips DA (1971) A cotyledonary inhibitor of root nodulation in Pisum sativum. Physiol Plant 25: 482–487Google Scholar
  471. Phillips DA (1980) Efficiency of symbiotic nitrogen fixation in legumes. Annu Rev Plant Physiol 31: 29–49Google Scholar
  472. Phillips DA, Bennett JP (1978) Measuring symbiotic nitrogen fixation in rangeland plots of Trifolium subterraneumL. and Bromus mollis. Agron J 70: 671–674Google Scholar
  473. Phillips DA, Torrey JG (1972) Studies on cytokinin production by Rhizobium. Plant Physiol 49: 11–15PubMedGoogle Scholar
  474. Phillips DA, Newell KD, Hassell SA, Felling CE (1976) The effect of CO2 enrichment on root nodule development and symbiotic N2 reduction in Pisum sativum L. Am J Bot 63: 356–362Google Scholar
  475. Philpotts HR (1967) The effect of soil temperature on nodulation of cowpeas (Vigna sinensis). Aust J Exp Agric Anim Husb 7: 372–376Google Scholar
  476. Pike LH, Tracy DM, Sherwood MA, Nielsen D (1972) Estimates of biomass and fixed nitrogen of epiphytes from old-growth Douglas fir. In: Franklin JF, Dempster LJ, Waring RJ (eds) Proc Symp Res Coniferous For Ecosyst; Pac Northwest For Range Exp Stn, Portland, OregonGoogle Scholar
  477. Possingham JV, Moye DV, Anderson AJ (1965) Influence of elevated shoot and root temperature on nitrogen fixation. Plant Physiol 39: 561–563Google Scholar
  478. Postgate JR (1970) Nitrogen fixation by sporulating sulphate reducing bacteria, including rumen strains. J Gen Microbiol 63: 137–139PubMedGoogle Scholar
  479. Postgate JR (1971) Biochemical and physiological studies with free-living, nitrogen-fixing bacteria. In: Lie TA, Mulder EG (eds) Biological nitrogen fixation in natural and agricultural habitats. Martinus Nijhoff, The HagueGoogle Scholar
  480. Postgate JR (1974) New advances and future potential in biological nitrogen fixation. J Appl Bacteriol 37: 185–202PubMedGoogle Scholar
  481. Postgate JR (1981) Microbiology of the free-living nitrogen-fixing bacteria, excluding cyanobacteria. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  482. Powell CL (1979) Inoculation of white clover and ryegrass seed with mycorrhizal fungi. New Phytol 83: 81–85Google Scholar
  483. Powrie JK (1964) The effect of cobalt on the growth of young lucerne on a silaceous sand. Plant Soil 21: 81–93Google Scholar
  484. Pratt DC, Frankel AW (1959) Studies on nitrogen fixation and photosynthesis of Rhodospirillum rubrum. Plant Physiol 34: 333–337PubMedGoogle Scholar
  485. Purushothaman D, Sadasivam DS, Dhanapal N (1979) Nitrogen fixation and ammonia assimilation in Azotobacter chroococcumisolates from C3and C4plants. Curr Sci 48: 174–176Google Scholar
  486. Quilt P, Dalal RC (1979) Effect of soil mineral N levels and inoculation on nodulation, nitrogenase activity and grain yield of pigeon pea. Agron J 71: 450–452Google Scholar
  487. Quispel A (1958) Symbiotic nitrogen fixation in non-leguminous plants. IV. The influence of some environmental conditions on different phases of the nodulation process in Alnus glutinosa. Acta Bot Neerl 7: 191–204Google Scholar
  488. Quispel A, Burggraaf AJP (1981) Frankia, the diazotrophic endophyte from actinorhizas. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  489. Ramirez C, Alexander M (1980) Evidence suggesting protozoan predation on Rhizobiumassociated with germinating seeds and in the rhizosphere of beans (Phaseolus vulgarisL.). Appl Environ Microbiol 40: 492–499PubMedGoogle Scholar
  490. Rao VR (1978) Effect of carbon sources on asymbiotic nitrogen fixation in a paddy soil. Soil Biol Biochem 10: 319–321Google Scholar
  491. Rawsthorne S, Minchin FR, Summerfield RJ, Cookson C, Coombs J (1980) Carbon and nitrogen metabolism in legume root nodules. Phytochemistry 19: 341–355Google Scholar
  492. Reiderer-Henderson MA, Wilson PW (1970) Nitrogen fixation by sulphate reducing bacteria. J Gen Microbiol 61: 27–31Google Scholar
  493. Rennie RJ (1980) 15N-Isotope dilution as a measure of dinitrogen fixation by Azospirillum brasilenseassociated with maize. Can J Bot 58:21–24Google Scholar
  494. Rennie RJ, Larson RI (1979) Dinitrogen fixation associated with disomic chromosome substitution lines of spring wheat. Can J Bot 57: 2771–2775Google Scholar
  495. Rennie RJ, Rennie DA, Fried M (1978) Concepts of 15N useage in dinitrogen fixation studies. In: Isotopes in biological dinitrogen fixation. IAEA Proc Ser 107–130Google Scholar
  496. Reporter M (1981) Do small metallopeptides affect nitrogen fixation in legumes? In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  497. Rerkasem B, Tongkumdee D (1981) Legume-Rhizobiumsymbiotic development in rice-based multiple-cropping systems. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  498. Reyes VG, Schmidt EL (1979) Population densities of Rhizobium japonicumstrain 123 estimated directly in soil and rhizospheres. Appl Environ Microbiol 37: 854–858PubMedGoogle Scholar
  499. Rice HV, Leighty DP, McLeod GC (1973) The effect of some trace metals on marine phytoplankton. CRC Crit Rev Microbiol 3: 27–49PubMedGoogle Scholar
  500. Rice WA (1979) Influence of nitrogen content of straw amendments on nitrogenase activity in waterlogged soil. Soil Biol Biochem 11: 187–191Google Scholar
  501. Richards JE, Soper RJ (1979) Effect of N fertilizer on yield, protein content and symbiotic N fixation in faba beans. Agron J 71: 807–811Google Scholar
  502. Rigaud J (1976) Effet des nitrates sur la fixation d’azote par les nodules de haricot (Phaseolus vulgarisL.). Physiol Vég 14: 297–308Google Scholar
  503. Righetti TL, Munns DN (1980) Nodulation and nitrogen fixation in Cliffrose [Cowania mexicanavar. stansburiana( Torr.) Jeps.]. Plant Physiol 65: 411–412PubMedGoogle Scholar
  504. Rinaudo G, Dreyfus B, Dommergues Y (1982) Sesbania rostrataas a green manure for rice in West Africa. In: Graham PH, Harris SC (eds) Biological nitrogen fixation technology for tropical agriculture. CIAT, Cali Colombia, in pressGoogle Scholar
  505. Rippka R, Deruelles J, Waterbury JB, Herdman M, Stanier RY (1979) Generic assignments, strain histories and properties of pure cultures of Cyanobacteria. J Gen Microbiol 111: 1–61Google Scholar
  506. Robertson JG, Lyttleton P, Pankhurst CE (1981) Preinfection and infection processes in the legume-Rhizobiumsymbiosis. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  507. Robinson AC (1967) The influence of host on soil and rhizosphere populations of clover and lucerne root nodule bacteria in the field. J Aust Inst Agrie Sci 33: 207–209Google Scholar
  508. Robinson AC (1969) Competition between effective and ineffective strains of Rhizobium trifoliiin the nodulation of Trifolium subterraneum. Aust J Agrie Res 20: 827–841Google Scholar
  509. Robson R, Postgate JR (1980) Oxygen and hydrogen in biological nitrogen fixation. Annu Rev Microbiol 34: 183–207PubMedGoogle Scholar
  510. Rodgers GA (1978) The effect of some external factors on nitrogenase activity in the free-living and endophytic Nostoc of the liverwort Blasia pusilla. Physiol Plant 44: 407–411Google Scholar
  511. Rodgers GA, Stewart WDP (1974) Physiological interrelations of the blue-green alga Nostocwith the liverworts Anthocerosand Blasia. Br Phycol J 9: 223Google Scholar
  512. Rodriguez-Barrueco C, Miguel C (1979) Host-plant-endophyte specificity in actinomycete-nodulated plants. In: Gordon JC, Wheeler CT, Perry DA (eds) Symbiotic nitrogen fixation in the management of temperate forests. For Res Lab, Oregon State Univ, CorvallisGoogle Scholar
  513. Rodriguez-Barrueco C, Mackintosh AH, Bond G (1970) Some effects of combined nitrogen on the nodule symbioses of Casuarina and Ceanothus. Plant Sci 33: 129–139Google Scholar
  514. Roelofsen W, Akkermans ADL (1979) Uptake and evolution of H2 and reduction of C2H2 by root nodules and nodule homogenates of Alnus glutinosa. Plant Soil 52: 571–578Google Scholar
  515. Roger PA, Kulasooriya SA (1980) Blue-green algae and rice. Int Rice Res Inst, Los Banos, PhilippinesGoogle Scholar
  516. Rohwer F, Flückiger W (1979) Effects of atrazine on growth, nitrogen fixation, and photosynthetic rate of Anabaena cylindrica. Angew Bot 53: 59–64Google Scholar
  517. Ronson CW, Lyttleton P, Robertson JG (1981) C4-dicarboxylate transport mutants of Rhizobium trifoliiform ineffective nodules on Trifolium repens. Proc Natl Acad Sci USA 78: 4284–4288PubMedGoogle Scholar
  518. Roper MM (1981) The utilization of wheat straw as an energy source for biological nitrogen fixation. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  519. Ross JP (1969) Effect of Heterodera glycineson yields of non-nodulating soybeans grown at various nitrogen levels. J Nematol 1: 40–42PubMedGoogle Scholar
  520. Roughley RJ (1970) The influence of root temperature, Rhizobiumstrain and host selection on the structure and nitrogen-fixing efficiency of the root nodules of Trifolium subterraneum. Ann Bot (London) 34: 631–646Google Scholar
  521. Roughley RJ, Dart PJ, Nutman PS, Rodríguez-Barrueco C (1970) The influence of root temperature on root hair infection of Trifolium subterraneumL. by Rhizobium trifoliiDang. In: Proc 11th Int Grassl Congr, Surfers ParadiseGoogle Scholar
  522. Ruinen J (1965) The phyllosphere. III. Nitrogen fixation in the phyllosphere. Plant Soil 22: 375–394Google Scholar
  523. Ruiz-Argueso T, Maier RJ, Evans HJ (1979) Hydrogen evolution from alfalfa and clover nodules and hydrogen uptake by free-living Rhizobium meliloti. Appl Environ Microbiol 37: 582–587PubMedGoogle Scholar
  524. Ruschel AP, Vose PB (1981) Biological dinitrogen fixation associated with sugar cane. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  525. Ruschel AP, Victoria RL, Salati E, Henis Y (1978) Nitrogen fixation in sugar cane. Ecol Bull (Stockholm) 26: 297–303Google Scholar
  526. Russell PE, Jones DG (1975) Variation in selection of Rhizobium trifoliiby varieties of red and white clover. Soil Biol Biochem 7: 15–18Google Scholar
  527. Ruvkun GB, Ausubel FM (1981) Physical mapping of symbiotic nitrogen fixation genes in Rhizobium meliloti. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  528. Sabet YS (1946) Bacterial root nodules of the Zygophyllaceae. Nature (London) 157: 656Google Scholar
  529. Saubert GGP (1949) Provisional communication in the fixation of elementary nitrogen by a floating fern. Ann R Bot Gard Buitenzorg 51: 177–197Google Scholar
  530. Schaede R (1951) Über die Blaualgensymbiose von Gunnera. Planta 39: 154–170Google Scholar
  531. Schank SC, Weier KL, MacRae IC (1981) Plant yield and nitrogen content of a digitgrass in response to Azospirilluminoculation. Appl Environ Microbiol 41: 342–345PubMedGoogle Scholar
  532. Schell DM, Alexander V (1973) Nitrogen fixation in Arctic coastal tundra in relation to vegetation and micro-relief. Arctic 26:130-137 Schöllhorn R, Burris RH (1966) Study of intermediates in nitrogen-fixation. Fed Proc 25: 710Google Scholar
  533. Schubert KR, Evans HJ (1976) Hydrogen evolution: a major factor affecting the efficiency of nitrogen fixation in nodulated symbionts. Proc Natl Acad Sci USA 73: 1207–1211PubMedGoogle Scholar
  534. Schubert KR, Coker GT, Firestone RB (1981) Ammonia assimilation in Alnus glutinosa and Glycine max. Plant Physiol 67: 662–665PubMedGoogle Scholar
  535. Schweitzer LE, Harper JE (1980) Effect of light, dark and temperature on root nodule activity (acetylene reduction) of soybeans. Plant Physiol 65: 51–56PubMedGoogle Scholar
  536. Schwinghamer EA, Belkengren RP (1968) Inhibition of rhizobia by a strain of Rhizobium trifolii: some properties of the antibiotic and of the strain. Arch Microbiol 64: 130–145Google Scholar
  537. Schwinghamer EA, Brockwell J (1978) Competitive advantage of bacteriocin- and phage- producing strains of Rhizobium trifoliigrown in mixed culture in nutrient broth and in peat. Soil Biol Biochem 10: 383–387Google Scholar
  538. Schwintzer CR, Berry AM, Tjepkema JD (1981) Seasonal changes in Myrica galenodules and the Frankiasp. endophyte. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, Canberra Scott DB, Farnden PJF, Robertson JG (1976) Ammonia assimilation in lupin nodules. Nature (London) 263: 703–705Google Scholar
  539. Semu E, Hume DJ (1979) Effects of inoculation and fertilizer N levels on N2 fixation and yields of soybeans in Ontario. Can J Plant Sci 59: 1129–1137Google Scholar
  540. Shearer G, Kohl DH, Harper JE (1980) Distribution of 15N among plant parts of nodulating and non-nodulating isolines of soybeans. Plant Physiol 66: 57–60PubMedGoogle Scholar
  541. Sheikholeslam SN, Fishbeck KA, Phillips DA (1980) Effect of irradiance on partitioning of photosynthate to pea root nodules. Bot Gaz 141: 48–52Google Scholar
  542. Shivashankar K, Vlassak K (1978) Influence of straw and C02 and N2 fixation and yield of field grown soybeans. Plant Soil 49: 259–266Google Scholar
  543. Sikander A, Sander GR (1972) Blue-green algae of saline soils of Punjab. Oikos 23: 268–272Google Scholar
  544. Silvester WB (1976) Endophyte adaptation in Gunnera-Nostocsymbiosis. In: Nutman PS (ed) Symbiotic nitrogen fixation in plants. Cambridge Univ Press, CambridgeGoogle Scholar
  545. Silvester WB (1977) Dinitrogen fixation by plant associations excluding legumes. In: Hardy RWF, Gibson AH (eds) A treatise on dinitrogen fixation, Sect I V ( Agronomy and ecology). Wiley-Interscience, New YorkGoogle Scholar
  546. Silvester WB, Smith DR (1969) Nitrogen fixation by Gunnera-Nostocsymbiosis. Nature (London) 224: 1231Google Scholar
  547. Singh PK (1974) Effect of pH on growth and nitrogen fixation in Aphanothece(Cyanophyta). Oikos 25: 114–116Google Scholar
  548. Singh RN (1961) In: Role of blue-green algae in nitrogen economy of Indian agriculture. Indian Counc Agric Res, New DelhiGoogle Scholar
  549. Sironval C, Bonnier C, Verlinden J-P (1957) Action of day-length on nodule formation and chlorophyll content in soybean. Physiol Plant 10: 697–707Google Scholar
  550. Sisler FD, Zobell CE (1951) Nitrogen fixation by sulphate reducing bacteria, indicated by nitrogen/argon ratios. Science 113: 511–512PubMedGoogle Scholar
  551. Sloger C, Bezdicek D, Milberg R, Boonkerd N (1975) Seasonal and diurnal variations in N2 (C2H2)-fixing activity in field soybeans. In: Stewart WDP (ed) Nitrogen fixation by free-living microorganisms. Cambridge Univ Press, CambridgeGoogle Scholar
  552. Small JGC, Leonard OA (1969) Translocation of 14C-labelled photosynthate in nodulated legumes as influenced by nitrate nitrogen. Am J Bot 56: 187–194Google Scholar
  553. Smith CR, Funke BR, Schulz JT (1978) Effects of insecticides on acetylene reduction by alfalfa, red clover and sweetclover. Soil Biol Biochem 10: 463–466Google Scholar
  554. Smith JH, Gibson PB (1960) The influence of temperature on growth and nodulation of white clover infected with bean yellow mosaic virus. Agron J 52: 5–7Google Scholar
  555. Smith SE (1980) Mycorrhizas of autotrophic higher plants. Biol Rev 55: 475–510Google Scholar
  556. Smith SE, Bowen GD (1979) Soil temperature, mycorrhizal infection and nodulation of Medicago truncatulaand Trifolium subterraneum. Soil Biol Biochem 11: 469–473Google Scholar
  557. Sonesson M (1973) Studies in production and turnover of bryophytes at Stordalen. Progress report 1972. Swed IBP Tundra Biome Proj Tech Rep 14: 66–75Google Scholar
  558. Spiff ED, Odu CTI (1973) Acetylene reduction under various partial pressures of oxygen and acetylene. J Gen Microbiol 78: 207–209Google Scholar
  559. Sprent JI (1971) The effects of water stress on nitrogen-fixing root nodules. I. Effects on the physiology of detached soybean nodules. New Phytol 70: 9–17Google Scholar
  560. Sprent JI (1972) The effects of water stress on nitrogen-fixing root nodules. IV. Effects on whole plants of Vicia fabaand Glycine max. New Phytol 71: 603–611Google Scholar
  561. Sprent JI (1973) Growth and nitrogen fixation in Lupinus arboreusas affected by shading and water supply. New Phytol 72: 1005–1022Google Scholar
  562. Sprent JI (1976) Water deficits and nitrogen-fixing root nodules. In: Kozlowski TT (ed) Water deficits and plant growth, vol IV. Soil water measurement, plant response and breeding for drought resistance. Academic Press, London New YorkGoogle Scholar
  563. Sprent JI, Bradford AM (1977) Nitrogen fixation in field beans (Vicia faba) as affected by population density, shading and its relationship with soil moisture. J Agric Sci 88: 303–310Google Scholar
  564. Sprent JI, Silvester WB (1973) Nitrogen fixation by Lupinus arboreusgrown in the open and under different aged stands of Pinus radiata. New Phytol 72: 991–1003Google Scholar
  565. Steinborn J, Roughley RJ (1975) Toxicity of sodium and chloride ions to Rhizobiumspp. in broth and peat culture. J Appl Bacteriol 39: 133–138PubMedGoogle Scholar
  566. Stewart WDP (1966) Nitrogen fixation in plants. Athellone Press, LondonGoogle Scholar
  567. Stewart WDP (1969) Biological and ecological aspects of nitrogen fixation by free-living microorganisms. Proc R Soc London Ser B 172: 367–388Google Scholar
  568. Stewart WDP (1970) Nitrogen fixation of blue-green algae in Yellowstone thermal areas. Phycologia 9: 261–268Google Scholar
  569. Stewart WDP (1971) Nitrogen fixation in the sea. In: Costlow JD (ed) Fertility of the sea. Gordon and Breach Science Publ Ltd, LondonGoogle Scholar
  570. Stewart WDP (1973a) Nitrogen fixation by photosynthetic microorganisms. Annu Rev Microbiol 27: 283–316PubMedGoogle Scholar
  571. Stewart WDP (1973b) In: Carr NG, Whitton BA (eds) The biology of blue-green algae. Univ California Press, Berkeley, CAGoogle Scholar
  572. Stewart WDP (1977) In: Hardy RWF, Silver WS (eds) A treatise on dinitrogen fixation, Sect I II ( Biology). Wiley Interscience, New YorkGoogle Scholar
  573. Stewart WDP, Pearson HW (1970) Effects of aerobic and anaerobic conditions on growth and metabolism of blue-green algae. Proc R Soc London Ser B 175: 293–311Google Scholar
  574. Stewart WDP, Rowell P (1977) Modification of nitrogen-fixing algae in lichen symbiosis. Nature (London) 265: 371–372Google Scholar
  575. Stewart WDP, Sampaio MJ, Isichei AO, Sylvester-Bradley R (1977) Nitrogen fixation by soil algae of temperate and tropical soils. In: Döbereiner J, Burris RH, Hollaender A, Franco AA, Neyra CA, Scott DB (eds) Limitations and potentials for biological nitrogen fixation in the tropics. Plenum Press, London New YorkGoogle Scholar
  576. Strand R, Laetsch WM (1977) Cell and endophyte structure of the nitrogen-fixing root nodules of Ceanothus integerrimusH. and A.I. Fine structure of the nodule and its endosymbiont. Protoplasma 93: 165–178Google Scholar
  577. Stratton GW, Corke CT (1979) The effect of mercuric, cadmium, and nickel ion combinations on a blue-green algae. Chemosphere 10: 731–740Google Scholar
  578. Stratton GW, Huber AL, Corke CT (1979) Effect of mercuric ion on the growth, photosynthesis, and nitrogenase activity of Anabaena inaequalis. Appl Environ Microbiol 38: 537–543PubMedGoogle Scholar
  579. Streeter JG (1974) Growth of two soybean shoots on a single root. J Exp Bot 25: 189–198Google Scholar
  580. Streeter JG (1977) Asparaginase and asparagine transaminase in soybean leaves and root nodules. Plant Physiol 60: 235–239PubMedGoogle Scholar
  581. Streeter JG (1981) Effect of nitrate in the rooting medium on carbohydrate composition of soybean nodules. Plant Physiol 68: 840–844PubMedGoogle Scholar
  582. Stutz RC, Bliss LC (1975) Nitrogen fixation in soils of Truelove Lowland, Devon Island, Northwest Territories. Can J Bot 53: 1387–1399Google Scholar
  583. Summerfield RJ, Minchin FR, Stewart KA, Ndunguru BJ (1978) Growth, reproductive development and yield of effectively nodulated cowpea plants in contrasting aerial environments. Ann Appl Biol 90: 277–291Google Scholar
  584. Sylvester-Bradley R (1976) Isolation of acetylene-reducing spirilla from the roots of Potamogeton filiformisfrom Lock Leven (Kinross). J Gen Microbiol 97: 129–132PubMedGoogle Scholar
  585. Taha AHY, Raski DJ (1969) Interrelationships between root-nodule bacteria, plant-parasitic nematodes, and their leguminous host. J Nematol 1: 201–211PubMedGoogle Scholar
  586. Talley SN, Talley BJ (1977) Nitrogen fixation by Azollain rice fields. In: Hollaender A (ed) Genetic engineering for nitrogen fixation. Plenum Press, London New YorkGoogle Scholar
  587. Tanner JW, Anderson IC (1964) External effect of combined nitrogen on nodulation. Plant Physiol 39: 1039–1043PubMedGoogle Scholar
  588. Tarrand J J, Krieg NR, Döbereiner J (1978) A taxonomic study of the Spirillum lipoferumgroup, with descriptions of a new genus, Azospirillumgen. no v. and two species, Azospirillum lipoferum(Beijerinck) comb. nov. and Azospirillum brasilensesp. nov. Can J Microbiol 24: 967–980PubMedGoogle Scholar
  589. Teal JM, Valiela I, Berlo D (1979) Nitrogen fixation by rhizosphere and free-living bacteria in salt marsh sediments. Limnol Oceanogr 24: 126–132Google Scholar
  590. Tel-or E, Luijk LW, Packer L (1978) Hydrogenase in N2-fixing cyanobacteria. Arch Biochem Biophys 185: 185–194Google Scholar
  591. Thompson JA (1960) Inhibition of nodule bacteria by an antibiotic from legume seed coats. Nature (London) 187: 619–620Google Scholar
  592. Tien TM, Gaskins MH, Hubbell DH (1979) Plant growth substances produced by Azospirillum brasilense and their effect on the growth of pearl millet (Pennisetum americanumL.). Appl Environ Microbiol 37: 1016–1024PubMedGoogle Scholar
  593. Tien TM, Diem HG, Gaskins MH, Hubbell DH (1981) Polygalacturonic acid transeliminase production by Azospirillumspecies. Can J Microbiol 27: 426–431PubMedGoogle Scholar
  594. Tjepkema J (1978) Nitrogen fixation in forests of central Massachusetts. Can J Bot 57: 11–16Google Scholar
  595. Tjepkema J (1979) Oxygen relations in leguminous and actinorhizal nodules. In: Gordon JC, Wheeler CT, Perry DA (eds) Symbiotic nitrogen fixation in the management of temperate forests. For Res Lab, Oregon State Univ, CorvallisGoogle Scholar
  596. Tjepkema JD, Winship LJ (1980) Energy requirement for nitrogen fixation in actinorhizal and legume nodules. Science 209: 279–281PubMedGoogle Scholar
  597. Tjepkema JD, Ormerod W, Torrey JG (1980) Vesicle formation and acetylene reduction activity in Frankia sp. CPI 1 cultured in defined nutrient media. Nature (London) 287: 633–635Google Scholar
  598. Torrey JG, Barrios S (1969) Cytological studies on rhizobial nodule initiation in Pisum. Caryologia 22: 47–62Google Scholar
  599. Trinick MJ (1973) Symbiosis between Rhizobiumand the non-legume, Trema aspera. Nature (London) 244: 459–460Google Scholar
  600. Trinick MJ (1979) Structure of nitrogen-fixing nodules formed by Rhizobiumon roots of Parasponia andersonii Planch. Can J Microbiol 25: 565–578PubMedGoogle Scholar
  601. Trinick MJ (1980) Growth of Parasponiain agar tube culture and symbiotic effectiveness of isolates from Parasponia spp. New Phytol 85: 37–45Google Scholar
  602. Trinick MJ, Galbraith J (1980) The Rhizobiumrequirements of the non-legume Parasponiain relationship to the cross-inoculation group concept of legumes. New Phytol 86: 17–26Google Scholar
  603. Trinick MJ, Dilworth MJ, Grounds M (1976) Factors affecting the reduction of acetylene by root nodules of Lupinus species. New Phytol 77: 359–370Google Scholar
  604. Triplett EW, Blevins DG, Randall DD (1980) Allantoic acid synthesis in soybean root nodule cytosol via xanthine dehydrogenase. Plant Physiol 65: 1203–1206PubMedGoogle Scholar
  605. Truchet G, Michel M, Denarie J (1980) Sequential analysis of the organogenesis of lucerne (Medicago sativa) root nodules using symbiotically defective mutants of Rhizobium meliloti. Differentiation 16: 163–172Google Scholar
  606. Tu JC (1978) Protection of soybean from severe Phytophthoraroot rot by Rhizobium. Physiol Plant Pathol 12: 233–240Google Scholar
  607. Tu JC (1979a) Evidence of differential tolerance among some root rot fungi to rhizobial parasitism in vitro. Physiol Plant Path 14: 171 - 177Google Scholar
  608. Tu CM (1979 b) Influence of pesticides on acetylene reduction and growth of microorganisms in an organic soil. J Environ Sci Health B 14:617–624Google Scholar
  609. Tu JC, Ford RE, Quiniones SS (1970) Effects of soybean mosaic virus and/or bean pod mottle virus infection on soybean nodulation. Phytopathology 60: 518–523Google Scholar
  610. Turner GL, Bergersen FJ (1981) Evaluating methods for the determination of 315N in nitrogen fixation studies. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci CanberraGoogle Scholar
  611. Turner GL, Gibson AH (1980) Measurement of nitrogen fixation by indirect means. In: Bergersen FJ (ed) Methods for evaluating biological nitrogen fixation. Wiley, ChichesterGoogle Scholar
  612. Tyler ME, Milam JR, Smith RL, Schank SC, Zuberer DA (1979) Isolation of Azospirillumfrom diverse geographic regions. Can J Microbiol 25: 693–697PubMedGoogle Scholar
  613. Umali-Garcia M, Hubbell DH, Gaskins MH, Dazzo FB (1980) Association of Azospirillumwith grass roots. Appl Environ Microbiol 39: 219–226PubMedGoogle Scholar
  614. Valiela I, Teal JM (1979) The nitrogen budget of a salt marsh ecosystem. Nature (London) 280: 652–656Google Scholar
  615. Venrick EL (1974) The distribution and significance of Richelia intracellularis in the north Pacific central gyre. Limnol Oceanogr 19: 437–445Google Scholar
  616. Verma DPS, Bal AK (1976) Intracellular site of synthesis and location of leghaemoglobin in root nodules. Proc Natl Acad Sci USA 73: 3843–3847PubMedGoogle Scholar
  617. Verma DPS, Haugland R, Brisson N, Legocki RP, Lacroix L (1981) Regulation of the expression of leghaemoglobin genes in effective and ineffective root nodules of soybean. Biochim Biophys Acta 653: 98–107PubMedGoogle Scholar
  618. Viands DR, Vance CP, Heichel GH, Barnes DK (1979) An ineffective nitrogen fixation trait in alfalfa. Crop Sci 19: 905–908Google Scholar
  619. Vietmeyer N, Cottom B (1977) Leucaena: promising forage and tree crop for the tropics. Natl Acad Sci, WashingtonGoogle Scholar
  620. Vincent JM, Waters LM (1953) The influence of the host on competition amongst clover root nodule bacteria. J Gen Microbiol 9: 357–370PubMedGoogle Scholar
  621. Vincent JM, Thompson JA, Donovan KO (1962) Death of root-nodule bacteria on drying. Aust J Agric Res 13: 258–270Google Scholar
  622. Vlassak K, Reynders L (1981) Azospirillumrhizocoenoses in agricultural practice. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  623. Vlassak K, Paul EA, Harris RE (1973) Assessment of biological nitrogen fixation in grassland and associated sites. Plant Soil 38: 637–649Google Scholar
  624. Waidyanatha UPdeS, Yogaratnam N, Ariyaratne WA (1979) Mycorrhizal infection on growth and nitrogen fixation of Puerariaand Stylosanthesand uptake of phosphorus from two rock phosphates. New Phytol 82: 147–152Google Scholar
  625. Watanabe A (1924) Studien über die koralloiden Wurzeln von Cycas revoluta. Bot Mag (Tokyo) 38: 165–187Google Scholar
  626. Watanabe A, Kiyohara T (1963) Symbiotic blue-green algae of lichens, liverworts and cycads. Plant Cell Physiol Spec VolGoogle Scholar
  627. Watanabe A, Yamamoto Y (1971) Algal nitrogen fixation in the tropics. In: Lie TA, Mulder EG (eds) Biological nitrogen fixation in natural and agricultural habitats. Martinus Nijhoff, The HagueGoogle Scholar
  628. Watanabe I (1981) Biological nitrogen fixation associated with wetland rice. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  629. Watanabe I, Lee KK, Alimagno BV ( 1978 a) Seasonal change of nitrogen-fixing rate in a rice field assayed by an in situ acetylene reduction technique. I. Experiments in long term fertility plots. Soil Sci Plant Nutr (Tokyo) 24: 1–13Google Scholar
  630. Watanabe I, Lee KK, Guzman M ( 1978 b) Seasonal change of N2-fixing rate in rice field assayed by in situ acetylene reduction technique. II. Estimate of nitrogen fixation associated with rice plants. Soil Sci Plant Nutr (Tokyo) 24: 465–471Google Scholar
  631. Watanabe I, Berja N, Rosario del DC (1980) Growth of Azollain paddy field as affected by phosphorus fertilizer. Soil Sci Plant Nutr (Tokyo) 26: 301–307Google Scholar
  632. Waughman GJ (1977) The effect of temperature on nitrogenase activity. J Exp Bot 28: 949–960Google Scholar
  633. Weber DF, Miller VL (1972) Effect of soil temperature on Rhizobium japonicumserogroup distribution in soybean nodules. Agron J 64: 796–798Google Scholar
  634. Weber E (1967) Blue-green algae from a Massachusetts salt marsh. Bull Torrey Bot Club 94: 99–106Google Scholar
  635. Weier KL (1980) Nitrogenase activity associated with three tropical grasses growing in undisturbed cores. Soil Biol Biochem 12: 131–136Google Scholar
  636. Welch LF, Boone LV, Chambliss CG, Christiansen AT, Mulvaney DL, Oldham MG, Pendleton JW (1973) Soybean yields with direct and residual nitrogen fertilization. Agron J 65: 547–550Google Scholar
  637. Werner D, Evans HJ, Scidler RJ (1974) Facultatively anaerobic nitrogen-fixing bacteria from the marine environment. Can J Microbiol 20: 59–64PubMedGoogle Scholar
  638. Wetselaar R, Farquhar GD (1980) Nitrogen losses from tops of plants. Adv Agron 33: 263–302Google Scholar
  639. Wheeler CT (1969) The diurnal fluctuation in nitrogen fixation in the nodules of Alnus glutinosaand Myrica gale. New Phytol 68: 675–683Google Scholar
  640. Wheeler CT (1971) The causation of the diurnal changes in nitrogen fixation in the nodules of Alnus glutinosa. New Phytol 70: 487–495Google Scholar
  641. Wheeler CT, Bond G (1970) The amino acids of nonleguminous root nodules. Phytochem- istry 9: 705–708Google Scholar
  642. Wheeler CT, McLaughlin ME (1979) Environmental modulation of nitrogen fixation in actinomycete nodulated plants. In: Gordon JC, Wheeler CT, Perry DA (eds) Symbiotic nitrogen fixation in the management of temperate forests. For Res Lab, Oregon State Univ, CorvallisGoogle Scholar
  643. Whitton BA (1970) Toxicity of heavy metals to fresh water algae: a review. Phykos 9: 116–125Google Scholar
  644. Widden P, Newell I, Parkinson D (1972) Decomposition and microbial population of Truelove Lowland, Devon Island. In: Bliss IC (ed) IBP High Arctic ecosystem study, Devon Island. Univ Alberta, EdmontonGoogle Scholar
  645. Wilkins J (1967) The effect of high temperatures on certain root-nodule bacteria. Aust J Agric Res 18: 299–304Google Scholar
  646. Williams LE, Phillips DA (1980) Effect of irradiance on development of apparent nitrogen fixation and photosynthesis in soybean. Plant Physiol 66: 968–972PubMedGoogle Scholar
  647. Williams LF, Lynch DL (1954) Inheritance of a non-nodulating character in soybean. Agron J 46: 28–29Google Scholar
  648. Wilson JK (1942) The loss of nodules from legume roots and its significance. J Am Soc Agron 34: 460–471Google Scholar
  649. Wilson JR (1970) Response to salinity in Glycine. VI. Some effects of a range of short-term salt stresses on the growth, nodulation and nitrogen fixation of Glycine wightii. Aust J Agric Res 21: 571–582Google Scholar
  650. Wilson PW, Fred EB, Salmon MR (1933) Relation between carbon dioxide and elemental nitrogen assimilation in leguminous plants. Soil Sci 35: 145–163Google Scholar
  651. Winship LJ, Chaudhary AH (1979) Nitrogen fixation by Datisca glomerata: a new addition to the list of actinorrhizal diazotrophic plants. In: Gordon JC, Wheeler CT, Perry DA (eds) Symbiotic nitrogen fixation in the management of temperate forests. For Res Lab, Oregon, State Univ, CorvallisGoogle Scholar
  652. Witty JF (1979) Acetylene reduction assay can overestimate nitrogen fixation in soil. Soil Biol Biochem 11: 209–210Google Scholar
  653. Wright SF, Weaver RW (1981) Enumeration and identification of nitrogen-fixing bacteria from forage grass roots. Appl Environ Microbiol 42: 97–101PubMedGoogle Scholar
  654. Wright SF, Weaver RW, Holt EC (1981) Acetylene reduction activity of Panicum coloratumL. seedlings inoculated with Azotobacter and treated with various concentrations of fixed nitrogen. Soil Biol Biochem 13: 325–326Google Scholar
  655. Worrall VS, Roughley RJ (1976) The effect of moisture stress on infection of Trifolium subterraneumL. by Rhizobium trifolii. J Exp Bot 27: 1233–1241Google Scholar
  656. Wullstein LH, Bruening ML, Bollen WB (1979) Nitrogen fixation associated with sand grain root sheaths (Rhizosheaths) of certain xeric grasses. Physiol Plant 46: 1–4Google Scholar
  657. Wynn-Williams DD, Rhodes ME (1974a) Nitrogen fixation in seawater. J Appl Bacteriol 37: 203–216PubMedGoogle Scholar
  658. Wynn-Williams DD, Rhodes ME (1974b) Nitrogen fixation by marine photosynthetic bacteria. J Appl Bacteriol 37: 217–224PubMedGoogle Scholar
  659. Wynn-Williams RB (1976) Effect of sowing date on lucerne emergence, survival, nodulation and early growth. NZ J Exp Agric 4: 439–445Google Scholar
  660. Yao PY, Vincent JM (1969) Host specificity in the root hair ‘curling factor’ of Rhizobiumspp. Aust J Biol Sci 22: 413–423Google Scholar
  661. Yatazawa M, Yoshida S (1979) Stem nodules in Aeschynomene indica and their capacity of nitrogen fixation. Physiol Plant 45: 293–295Google Scholar
  662. Yatazawa M, Tomomatsu N, Hosoda N, Nunome K (1980) Nitrogen fixation in Azolla- Anabaenasymbiosis as affected by mineral nutrient status. Soil Sci Plant Nutr (Tokyo) 26: 415–426Google Scholar
  663. Yates MG, Walker CC (1980) Hydrogenase activity and hydrogen evolution by nitroge- nase in nitrogen-fixing Azotobacter chroococcum. In: Newton WE, Orme-Johnson WH (eds) Nitrogen fixation, vol I. Free-living systems and chemical models. Univ Park Press, BaltimoreGoogle Scholar
  664. Yoshida T, Yoneyama T (1981) Atmospheric N2fixation in flooded rice rhizospheres determined by 15N technique. In: Gibson AH, Newton WE (eds) Current perspectives in nitrogen fixation. Aust Acad Sci, CanberraGoogle Scholar
  665. Zavitkovski J, Newton M (1968) Ecological importance of snowbrush Ceanothus velutinusin the Oregon Cascades. Ecology 49: 1134–1145Google Scholar
  666. Zuberer DA, Silver WS (1978) Biological dinitrogen fixation (acetylene reduction) associated with Florida mangroves. Appl Environ Microbiol 35: 56–575PubMedGoogle Scholar
  667. Zurkowski W, Lorkiewicz Z (1979) Plasmid-mediated control of nodulation in Rhizobium trifolii. Arch Microbiol 123: 195–201Google Scholar

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© Springer-Verlag Berlin·Heidelberg 1983

Authors and Affiliations

  • A. H. Gibson
  • D. C. Jordan

There are no affiliations available

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