Physiological Responses to Moderate Water Stress

  • K. J. Bradford
  • T. C. Hsiao
Part of the Encyclopedia of Plant Physiology book series (PLANT, volume 12 / B)


On a global basis, water is a paramount factor in determining the distribution of species, and the responses and adaptations of a species to water stress are critical for its success in any environmental niche. Numerous studies have reported a myriad of changes elicited by water stress. The changes observed are dependent on the species under study and on the severity, duration, and time course of the stress. Before reviewing the changes in detail, we will first present an overview of stress and responses using the stress-strain concept of physics. Next, we will discuss specific water-related parameters for quantifying plant water status and briefly consider how changes in the parameters may affect plant functions. This is followed by the main body which first reviews and analyzes selected responses to water stress and then examines the integrated adaptive behavior of whole plants.


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  1. Acevedo E, Hsiao TC, Henderson DW (1971) Immediate and subsequent growth responses of maize leaves to changes in water status. Plant Physiol 48:631–636PubMedGoogle Scholar
  2. Acevedo E, Fereres E, Hsiao TC, Henderson DW (1979) Diurnal growth trends, water potential, and osmotic adjustment of maize and sorghum leaves in the field. Plant Physiol 64:476–480PubMedGoogle Scholar
  3. Ackerson RC (1980) Stomatal response of cotton to water stress and abscisic acid as affected by water stress history. Plant Physiol 65:455–459PubMedGoogle Scholar
  4. Ackerson RC, Hebert RR (1981) Osmoregulation in cotton in response to water stress. I. Alterations in photosynthesis, leaf conductance, translocation, and ultrastructure. Plant Physiol 67:484–488PubMedGoogle Scholar
  5. Adams DO, Yang SF (1979) Ethylene biosynthesis: Identification of l-aminocyclopropane-l-carboxylic acid as an intermediate in the conversion of methionine to ethylene. Proc Natl Acad Sci USA 76:170–174PubMedGoogle Scholar
  6. Adams PA, Montague MJ, Tepfer M, Rayle DL, Kuma HI, Kaufman PB (1975) Effect of gibberellic acid on the plasticity and elasticity of Avena stem segments. Plant Physiol 56:757–760PubMedGoogle Scholar
  7. Aharoni N (1978) Relationship between leaf water status and endogenous ethylene in detached leaves. Plant Physiol 61:658–662PubMedGoogle Scholar
  8. Aharoni N, Richmond AE (1978) Endogenous gibberellin and abscisic acid content as related to senescence of detached lettuce leaves. Plant Physiol 62:224–228PubMedGoogle Scholar
  9. Aharoni N, Blumenfeld A, Richmond AE (1977) Hormonal activity in detached lettuce leaves as affected by leaf water content. Plant Physiol 59:1169–1173PubMedGoogle Scholar
  10. Apelbaum A, Yang SF (1981) Biosynthesis of stress ethylene induced by water deficit. Plant Physiol 68:594–596PubMedGoogle Scholar
  11. Arad S, Richmond AE (1976) Leaf cell water and enzyme activity. Plant Physiol 57:656–658PubMedGoogle Scholar
  12. Arad S, Mizrahi, Richmond AE (1973) Leaf water content and hormone effects on ribonuclease activity. Plant Physiol 52:510–512PubMedGoogle Scholar
  13. Aspinall D (1980) Role of abscisic acid and other hormones in adaptation to water stress. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 155–172Google Scholar
  14. Baker DB, Ray PM (1965) Relation between effects of auxin on cell wall synthesis and cell elongation. Plant Physiol 40:360–368PubMedGoogle Scholar
  15. Barlow EWR, Munns R, Scott NS, Reisner AH (1977) Water potential, growth and polyribosome content of the stressed wheat apex. J Exp Bot 28:909–916Google Scholar
  16. Barlow EWR, Munns RE, Brady CJ (1980) Drought responses of apical meristems. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 191–205Google Scholar
  17. Barnett NM, Naylor AW (1966) Amino acid and protein metabolism in Bermuda grass during water stress. Plant Physiol 41:1222–1230PubMedGoogle Scholar
  18. Barr ML (1973) Biosynthesis of abscisic acid: Incorporation of radioactivity from 14C mevalonic acid by intact roots. Plant Physiol Suppl 51:47Google Scholar
  19. Bates GW, Cleland RE (1979) Protein synthesis and auxin-induced growth: Inhibitor studies. Planta 145:437–442Google Scholar
  20. Bates LM, Hall AE (1981) Stomatal closure with soil water depletion not associated with changes in bulk leaf water status. Oecologia 50:62–65Google Scholar
  21. Bayley ST, Setterfield G (1957) The influence of mannitol and auxin on growth of cell walls in Avena coleoptiles. Ann Bot 21:633–641Google Scholar
  22. Bataglia OC (1980) Effects of nitrogen-water-relations on maize productivity. Ph D Dissertation, Univ California, DavisGoogle Scholar
  23. Beadle CL, Jarvis PG (1977) Effects of shoot water status on some photosynthetic partial processes in Sitka spruce. Physiol Plant 41:7–13Google Scholar
  24. Beadle CL, Stevenson KR, Neumann HH, Thurtell GW, King KM (1973) Diffusive resistance, transpiration, and photosynthesis in single leaves of corn and sorghum in relation to leaf water potential. Can J Plant Sci 53:537–544Google Scholar
  25. Beardsell MF, Cohen D (1975) Relationships between leaf water status, abscisic acid levels, and stomatal resistance in maize and sorghum. Plant Physiol 56:207–212PubMedGoogle Scholar
  26. Begg JE (1980) Morphological adaptations of leaves to water stress. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 33–42Google Scholar
  27. Begg JE, Turner NC (1976) Crop water deficits. Adv Agron 28:161–217Google Scholar
  28. Bell DT, Koeppe DE, Miller RJ (1971) The effects of drought stress on respiration of isolated corn mitochondria. Plant Physiol 48:413–415PubMedGoogle Scholar
  29. Bellandi PM, Dörffling K (1974) Transport of abscisic acid-2-14C in intact pea seedlings. Physiol Plant 32:365–368Google Scholar
  30. Bengston C, Falk SD, Larsson S (1979) Effects of kinetin on transpiration rate and abscisic acid content of water stressed young wheat plants. Physiol Plant 45:183–188Google Scholar
  31. Beyer EM, Morgan PW (1971) Abscission: The role of ethylene modification of auxin transport. Plant Physiol 48:208–212PubMedGoogle Scholar
  32. Bisson MA, Gutknecht J (1980) Osmotic regulation in algae. In: Spanswick RM, Lucas WJ, Dainty J (eds) Plant membrane transport: Current conceptual issues. Elsevier/North Holland, Amsterdam, pp 131–146Google Scholar
  33. Blackman VH (1919) The compound interest law and plant growth. Ann Bot 33:353–360Google Scholar
  34. Boggess SF, Stewart CR, Aspinall D, Paleg LG (1976) Effect of water stress on proline synthesis from radioactive precursors. Plant Physiol 58:398–401PubMedGoogle Scholar
  35. Boussiba S, Richmond AE (1976) Abscisic acid and the aftereffect of stress in tobacco plants. Planta 129:217–219Google Scholar
  36. Boussiba S, Rikin A, Richmond AE (1975) The role of abscisic acid in cross-adaptation of tobacco plants. Plant Physiol 56:337–339PubMedGoogle Scholar
  37. Boyer JS (1968) Relationship of water potential to growth of leaves. Plant Physiol 43:1056–1062PubMedGoogle Scholar
  38. Boyer JS (1971) Nonstomatal inhibition of photosynthesis in sunflower at low leaf water potentials and high light intensities. Plant Physiol 48:532–536PubMedGoogle Scholar
  39. Boyer JS (1976) Water deficits and photosynthesis. In: Kozlowski TT (ed) Water deficits and plant growth Vol IV. Soil water measurement, plant responses, and breeding for drought resistance. Academic Press, London New York, pp 153–190Google Scholar
  40. Boyer JS, Bowen BL (1970) Inhibition of oxygen evolution in chloroplasts isolated from leaves with low water potentials. Plant Physiol 45:612–615PubMedGoogle Scholar
  41. Boyer JS, McPherson HG (1975) Physiology of water deficits in cereal crops. Adv Agron 27:1–23Google Scholar
  42. Boyer JS, Wu G (1978) Auxin increases the hydraulic conductivity of auxin-sensitive hypocotyl tissue. Planta 139:227–237Google Scholar
  43. Bradford KJ, Yang SF (1980) Xylem transport of l-aminocyclopropane-l-carboxylic acid, an ethylene precursor, in waterlogged tomato plants. Plant Physiol 65:322–326PubMedGoogle Scholar
  44. Bradford KJ, Yang SF (1981) Physiological responses of plants to waterlogging. Hort Science 16:25–30Google Scholar
  45. Brady CJ, Scott NS, Munns R (1974) The interaction of water stress with the senescence pattern of leaves. In: Bieleski RL, Ferguson AR, Creswell MM (eds) Roy Soc N Z, Bull, 12:403–409Google Scholar
  46. Bunce JA (1977) Leaf elongation in relation to leaf water potential in soybean. J Exp Bot 28:156–161Google Scholar
  47. Caemmerer von S (1981) On the relationship between chloroplast biochemistry and gas exchange of leaves. Ph D Dissertation, Aust Natl Univ CanberraGoogle Scholar
  48. Campbell LC, Raison JK, Brady CJ (1976) Response of plant mitochondria to media of high solute content. J Bioenerg 8:121–129Google Scholar
  49. Catsky J (1974) Water content. In: Slavík B (ed) Methods of studying plant water relations. Ecol Stud Vol IX. Springer, Berlin Heidelberg New York, pp 121–156Google Scholar
  50. Chinnici MF, Peterson DM (1979) Temperature and drought effects on blast and other characteristics in developing oats. Crop Sci 19:893–897Google Scholar
  51. Cleland RE (1967a) A dual role of turgor pressure in auxin-induced cell elongation in Avena coleoptiles. Planta 77:182–191Google Scholar
  52. Cleland RE (1967b) Extensibility of isolated cell walls: Measurement and changes during cell elongation. Planta 74:197–209Google Scholar
  53. Cleland RE (1971) Instability of growth-limiting proteins of the Avena coleoptile and their pool size in relation to auxin. Planta 99:1–11Google Scholar
  54. Cleland RE (1975) Auxin-induced hydrogen ion excretion: correlation with growth, and control by external pH and water stress. Planta 127:233–242Google Scholar
  55. Cleland RE, Rayle DL (1978) Auxin, H+-excretion and cell elongation. Bot Mag Tokyo Spec Issue 1:125–139Google Scholar
  56. Cole PJ, Alston AM (1974) Effect of transient dehydration on absorption of chloride by wheat roots. Plant Soil 40:243–247Google Scholar
  57. Collatz GJ (1977) Influence of certain environmental factors on photosynthesis and photorespiration in Simmondsia chinensis. Planta 134:127–132Google Scholar
  58. Collatz J, Ferrar PJ, Slatyer RO (1976) Effects of water stress and differential hardening treatments on photosynthetic characteristics of a xeromorphic shrub, Eucalyptus socialis F. Muell. Oecologia 23:95–105Google Scholar
  59. Collins JC, Kerrigan AP (1974) The effect of kinetin and abscisic acid on water and ion transport in isolated maize roots. New Phytol 73:309–314Google Scholar
  60. Cowan IR, Raven JA, Hartung W, Farquhar GD (1982) A possible role for abscisic acid in coupling stomatal conductance and photosynthetic carbon metabolism in leaves. Aust J Plant Physiol in pressGoogle Scholar
  61. Craker LE, Cookson C, Osborne DJ (1978) Control of proton extrusion and cell elongation by ethylene and auxin in the water-plant Ranunculus sceleratus. Plant Sci Lett 12:379–385Google Scholar
  62. Cram WJ (1980) Chloride accumulation as a homeostatic system: Negative feedback signals for concentration and turgor maintenance differ in a glycophyte and a halophyte. Aust J Plant Physiol 7:237–249Google Scholar
  63. Cram WJ, Pitman MA (1972) The action of abscisic acid on ion uptake and water flow in plant roots. Aust J Biol Sci 25:1125–1132Google Scholar
  64. Cutler JM, Rains DW, Loomis RS (1977) The importance of cell size in the water relations of plants. Physiol Plant 40:255–260Google Scholar
  65. Cutler JM, Shahan KW, Steponkus PL (1980 a) Influence of water deficits and osmotic adjustment on leaf elongation in rice. Crop Sci 20:314–318Google Scholar
  66. Cutler JM, Steponkus PL, Wach MJ, Shahan KW (1980b) Dynamic aspects and enhancement of leaf elongation in rice. Plant Physiol 66:147–152PubMedGoogle Scholar
  67. Darbyshire B (1971) Changes in indoleacetic acid oxidase activity associated with plant water potential. Physiol Plant 25:80–84Google Scholar
  68. Davenport TL, Morgan PW, Jordan WR (1977) Auxin transport as related to leaf abscission during water stress in cotton. Plant Physiol 59:554–557PubMedGoogle Scholar
  69. Davenport TL, Morgan PW, Jordan WR (1980) Reduction of auxin transport capacity with age and internal water deficits in cotton petioles. Plant Physiol 65:1023–1025PubMedGoogle Scholar
  70. Davies FS, Lakso AN (1978) Water relations in apple seedlings: changes in water potential components, abscisic acid levels and stomatal conductances under irrigated and non-irrigated conditions. J Am Soc Hortic Sci 103:310–313Google Scholar
  71. Davies WJ, Mansfield TA, Wellburn RR (1980) A role for abscisic acid in drought endurance and drought avoidance. In: Skoog F (ed) Plant growth substances 1979. Springer, Berlin Heidelberg New York, pp 242–253Google Scholar
  72. Davies WJ, Wilson JA, Sharp RE, Osonubi O (1981) Control of stomatal behavior in water-stressed plants. In: Jarvis PG, Mansfield TA (eds) Stomatal physiology. Univ Press, Cambridge, pp 163–185Google Scholar
  73. Dewdney SJ, McWha JA (1978) The metabolism and transport of abscisic acid during grain fill in wheat. J Exp Bot 29:1299–1308Google Scholar
  74. Dhindsa RS, Cleland RE (1975a) Water stress and protein synthesis. I. Differential inhibition of protein synthesis. Plant Physiol 55:778–781PubMedGoogle Scholar
  75. Dhindsa RS, Cleland RE (1975b) Water stress and protein synthesis. II. Interaction between water stress, hydrostatic pressure, and abscisic acid on the pattern of protein synthesis in Avena coleoptiles. Plant Physiol 55:782–785PubMedGoogle Scholar
  76. Dhindsa RS, Baesley CA, Ting IP (1975) Osmoregulation in cotton fiber: Accumulation of potassium and malate during growth. Plant Physiol 56:394–398PubMedGoogle Scholar
  77. Ehret DL, Boyer JS (1979) Potassium loss from stomatal guard cells at low water potential. J Exp Bot 30:225–234Google Scholar
  78. El-Beltagy AS, Hall MA (1974) Effect of water stress upon endogenous ethylene levels in Vicia faba. New Phytol 73:47–60Google Scholar
  79. Ellis FB, Elliot JG, Barnes BT, Howse KR (1977) Comparison of direct drilling, reduced cultivation and ploughing on the growth of cereals. II. Spring barley on a sandy loam soil: soil physical conditions and root growth. J Agric Sci 89:631–642Google Scholar
  80. El Nadi AH, Brouwer R, Locher J Th (1969) Some responses of the root and the shoot of Vicia faba plants to water stress. Neth J Agric Sci 17:133–142Google Scholar
  81. Evans LT (1966) Abscisin II: Inhibitory effect on flower induction in a long-day plant. Science 151:107–108PubMedGoogle Scholar
  82. Farquhar GD, Sharkey TD (1982) Stomatal conductance and photosynthesis. Annu Rev Plant Physiol 33:317–345Google Scholar
  83. Fereres E, Acevedo E, Henderson DW, Hsiao TC (1978) Seasonal changes in water potential and turgor maintenance in sorghum and maize under water stress. Physiol Plant 44:261–267Google Scholar
  84. Fischer RA (1971) Role of potassium in stomatal opening in the leaf of Vicia faba. Plant Physiol 47:555–558PubMedGoogle Scholar
  85. Fischer RA (1973) The effect of water stress at various stages of development on yield processes in wheat. In: Slatyer RO (ed) Plant response to climatic factors. Proc Uppsala Symp UNESCO, ParisGoogle Scholar
  86. Fischer RA (1979) Growth and water limitation to dryland wheat yield in Australia: a physiological framework. J Aust Inst Agric Sci 45:83–93Google Scholar
  87. Fischer RA (1980) Influence of water stress on crop yield in semiarid regions. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 323–340Google Scholar
  88. Fischer RA, Hagan RM (1965) Plant water relations, irrigation management and crop yield. Exp Agric 1:161–177Google Scholar
  89. Fischer RA, Kohn GD (1966) The relationship between evapotranspiration and growth in the wheat crop. Aust J Agric Res 17:255–267Google Scholar
  90. Flowers TJ, Hanson JB (1969) The effect of reduced water potential on soybean mitochondria. Plant Physiol 44:939–945PubMedGoogle Scholar
  91. Flowers TJ, Troke PF, Yeo AR (1977) The mechanism of salt tolerance in halophytes. Annu Rev Plant Physiol 28:89–121Google Scholar
  92. Friedrich JW, Huffaker RC (1980) Photosynthesis, leaf resistance and ribulose-1,5-bisphosphate carboxylase degradation in senescing barley leaves. Plant Physiol 65:1103–1107PubMedGoogle Scholar
  93. Frota JNE, Tucker TC (1978a) Absorption rates of ammonium and nitrate by red kidney beans under salt and water stress. Soil Sci Soc Am J 42:753–756Google Scholar
  94. Frota JNE, Tucker TC (1978b) Salt and water stress influences nitrogen metabolism in red kidney beans. Soil Sci Soc Am J 42:743–746Google Scholar
  95. Fry KE (1970) Some factors affecting the Hill reaction activity in cotton chloroplasts. Plant Physiol 45:465–469PubMedGoogle Scholar
  96. Fry KE (1972) Inhibition of ferricyanide reduction in chloroplasts prepared from water-stressed cotton leaves. Crop Sci 12:698–701Google Scholar
  97. Gimmler H, Heilmann B, Demmig B, Hartung W (1981) The permeability of the plasma-lemma and the chloroplast envelope of spinach mesophyll cells for phytohormones. Z Naturforsch 36 C: 672–678Google Scholar
  98. Glinka Z (1977) Effects of abscisic acid and of hydrostatic pressure gradient on water movement through excised sunflower roots. Plant Physiol 59:933–935PubMedGoogle Scholar
  99. Glinka Z (1980) Abscisic acid promotes both volume flow and ion release to the xylem in sunflower roots. Plant Physiol 65:537–540PubMedGoogle Scholar
  100. Goldbach H, Goldbach E (1975) Abscisic acid translocation and influence of water stress on grain abscisic acid content. J Exp Bot 28:1342–1350Google Scholar
  101. Göring H, Bleiss W, Kretschmer H (1978) Stimulated elongation growth of coleoptile segments as a consequence of activated H+ secretion after temporary turgor reduction. Biochem Physiol Pflanz 173:373–376Google Scholar
  102. Govindjee, Downton WJS, Fork DC, Armond PA (1981) Chlorophyll a fluorescence transient as an indicator of water potential of leaves. Plant Sci Lett 20:191–194Google Scholar
  103. Graziani Y, Livne A (1971) Dehydration, water fluxes, and permeability of tobacco leaf tissue. Plant Physiol 48:575–579PubMedGoogle Scholar
  104. Greacen EL, Oh JS (1972) Physics of root growth. Nature (London) New Biol 235:24–25Google Scholar
  105. Green PB (1968) Growth physics in Nitella: a method for continuous in vivo analysis of extensibility based on a micro-manometer technique for turgor pressure. Plant Physiol 43:1169–1184PubMedGoogle Scholar
  106. Green PB, Erickson RO, Buggy J (1971) Metabolic and physical control of cell elongation rate — in vivo studies in Nitella. Plant Physiol 47:423–430PubMedGoogle Scholar
  107. Green PB, Bauer K, Cummins WR (1977) Biophysical model for plant cell growth: auxin effects. In: Jungreis AM, Hodges TK, Kleinzeller A, Schultz SG (eds) Water relations in membrane transport in plants and animals. Academic Press, London New York, pp 30–45Google Scholar
  108. Greenway H, Klepper B (1968) Phosphorus transport to the xylem and its regulation by water flow. Planta 83:119–136Google Scholar
  109. Greenway H, Leahy M (1970) Effects of rapidly and slowly permeating osmotica on metabolism. Plant Physiol 46:259–262PubMedGoogle Scholar
  110. Grenetz PS, List A JR (1973) A model for predicting growth response of plants to changes in external water potential: Zea mays primary root. J Theor Biol 39:29–45PubMedGoogle Scholar
  111. Hall MA, Kapuya JA, Sivakumaran S, John A (1977) The role of ethylene in the response of plants to stress. Pestic Sci 8:217–223Google Scholar
  112. Hanson AD, Hitz WD (1982) Water deficit and the nitrogen economy. In: Taylor H, Jordan W, Sinclair T (eds) Efficient water use in crop production. Am Soc Agron, Madison, Wisconsin, in pressGoogle Scholar
  113. Hanson AD, Nelsen CE (1978) Betaine accumulation and [14C] formate metabolism in water-stressed barley leaves. Plant Physiol 62:305–312PubMedGoogle Scholar
  114. Hanson AD, Nelsen CE, Everson EH (1977) Evaluation of free proline accumulation as an index of drought resistance using two contrasting barley cultivars. Crop Sci 17:720–726Google Scholar
  115. Hanson AD, Nelsen CE, Pedersen AR, Everson EH (1979) Capacity for proline accumulation during water stress in barley and its implications for breeding for drought resistance. Crop Sci 19:489–493Google Scholar
  116. Harrison MA, Walton DC (1975) Abscisic acid metabolism in water stressed bean leaves. Plant Physiol 56:250–256PubMedGoogle Scholar
  117. Hartung W (1976) Effect of water stress on transport of [2-14C] abscisic acid in intact plants of Phaseolus coccineus L. Oecologia 26:177–183Google Scholar
  118. Hartung W, Witt J (1968) Über den Einfluß der Bodenfeuchtigkeit auf den Wuchsstoffgehalt von Anastatica hierochuntica und Helianthus annuus. Flora (Jena) Abt B 157:603–614Google Scholar
  119. Hartung W, Heilmann B, Gimmler H (1981) Do chloroplasts play a role in abscisic acid synthesis? Plant Sci Lett 22:235–242Google Scholar
  120. Haschke H-P, Lüttge U (1975 a) Interaction between IAA, potassium and malate accumulation, and growth in Avena coleoptile segments. Z Pflanzenphysiol 76:450–455Google Scholar
  121. Haschke H-P, Lüttge U (1975b) Stoichiometric correlation of malate accumulation with auxin-dependent K+-H+ exchange and growth in Avena coleoptile segments. Plant Physiol 56:696–698PubMedGoogle Scholar
  122. Haschke H-P, Lüttge U (1977) Action of auxin on CO2 dark fixation in Avena coleoptiles segments as related to elongation growth. Plant Sci Lett 8:53–58Google Scholar
  123. Heilmann B, Hartung W, Gimmler H (1980) The distribution of abscisic acid between chloroplasts and cytoplasm of leaf cells and the permeability of the chloroplast envelope for abscisic acid. Z Pflanzenphysiol 97:67–78Google Scholar
  124. Henson IE (1981) Changes in abscisic acid content during stomatal closure in pearl millet (Pennisetum americanum (L.) Leeke). Plant Sci Lett 21:121–127Google Scholar
  125. Heuer B, Plaut Z, Federman E (1979) Nitrate and nitrite reduction in wheat leaves as affected by different types of water stress. Physiol Plant 46:318–323Google Scholar
  126. Hewitt EB (1975) Assimilatory nitrate — nitrite reduction. Annu Rev Plant Physiol 26:73–100Google Scholar
  127. Hiron RW, Wright STC (1973) The role of endogenous abscisic acid in the response of plants to stress. J Exp Bot 24:769–781Google Scholar
  128. Hoad GV (1973) Effect of moisture stress on abscisic acid levels in Ricinus communis L. with particular reference to phloem exudate. Planta 113:367–372Google Scholar
  129. Hoad GV (1975) Effect of osmotic stress on abscisic acid levels in xylem sap of sunflower. Planta 124:25–29Google Scholar
  130. Hoad GV (1978) Effect of water stress on abscisic acid levels in white lupin (Lupinus albus L.) fruit, leaves and phloem exudate. Planta 142:287–290Google Scholar
  131. Hsiao TC (1970) Rapid changes in levels of polyribosomes in Zea mays in response to water stress. Plant Physiol 46:281–285PubMedGoogle Scholar
  132. Hsiao TC (1973a) Plant responses to water stress. Annu Rev Plant Physiol 24:519–570Google Scholar
  133. Hsiao TC (1973b) Effects of water deficit on guard cell potassium and stomatal movement. Plant Physiol Suppl 51:9Google Scholar
  134. Hsiao TC (1976) Stomatal ion transport. In: Lüttge U, Pitman MG (eds) Encyclopedia of plant physiology new ser vol II. Transport in plants II, Part B, tissues and organs. Springer, Berlin Heidelberg New York, pp 193–221Google Scholar
  135. Hsiao TC, Acevedo E (1974) Plant responses to water deficits, water use efficiency and drought resistance. Agric Meteorol 14:59–84Google Scholar
  136. Hsiao TC, Acevedo E, Fereres E, Henderson DW (1976a) Stress metabolism: water stress, growth, and osmotic adjustment. Philos Trans R Soc London Ser B 273:479–500Google Scholar
  137. Hsiao TC, Fereres E, Acevedo E, Henderson DW (1976 b) Water stress and dynamics of growth and yield of crop plants. In: Lange, OL, Kappen L, Schulze E-D (eds) Water and plant life: problems and modern approaches. Ecol Stud Vol 19. Springer, Berlin Heidelberg New York, pp 281–305Google Scholar
  138. Hsiao TC, Bradford KJ (1982) Physiological consequences of cellular water deficits. In: Taylor HM, Jordan WR, Sinclair TR (eds) Efficient water use in crop production. Am Soc Agron, Madison, Wisconsin, in pressGoogle Scholar
  139. Huang C-Y, Boyer JS, Vanderhoef LN (1975) Limitation of acetylene reduction (nitrogen fixation) by photosynthesis in soybean having low water potentials. Plant Physiol 56:228–232PubMedGoogle Scholar
  140. Hüsken D, Steudle E, Zimmermann U (1978) Pressure probe technique for measuring water relations of cells in higher plants. Plant Physiol 61:158–163PubMedGoogle Scholar
  141. Huffaker RC, Radin T, Kleinkopf GE, Cox EL (1970) Effects of mild water stress on enzymes of nitrate assimilation and of the carboxylative phase of photosynthesis in barley. Crop Sci 10:471–474Google Scholar
  142. Itai C, Benzioni A (1976) Water stress and hormonal response. In: Lange OL, Kappen L, Schulze E-D (eds) Water and plant life: problems and modern approaches. Ecol Stud Vol 19. Springer, Berlin Heidelberg New York, pp 176–188Google Scholar
  143. Itai C, Vaadia Y (1965) Kinetin-like activity in root exudate of water-stressed sunflower plants. Physiol Plant 18:941–944Google Scholar
  144. Itai C, Vaadia Y (1971) Cytokinin activity in water-stressed shoots. Plant Physiol 47:87–90PubMedGoogle Scholar
  145. Itai C, Richmond A, Vaadia Y (1968) The role of root cytokinins during water and salinity stress. Isr J Bot 17:187–195Google Scholar
  146. Jackson MB, Hartley CB, Osborne DJ (1973) Timing abscission in Phaseolus vulgaris L. by controlling ethylene production and sensitivity to ethylene. New Phytol 72:1251–1260Google Scholar
  147. Jarvis PG (1980) Stomatal response to water stress in conifers. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 105–122Google Scholar
  148. Jewer PC, Incoll LD (1980) Promotion of stomatal opening in the grass Anthephora pubescens Nees by a range of natural and synthetic cytokinins. Planta 150:218–221Google Scholar
  149. Johnson KD, Rayle DL (1976) Enhancement of CO2 uptake in Avena coleoptiles by fusicoccin. Plant Physiol 57:806–811PubMedGoogle Scholar
  150. Johnson RR, Frey NM, Moss DN (1974) Effect of water stress on photosynthesis and transpiration of flag leaves and spikes of barley and wheat. Crop Sci 14:728–731Google Scholar
  151. Jones HG (1973 a) Limiting factors in photosynthesis. New Phytol 72:1089–1094Google Scholar
  152. Jones HG (1973 b) Moderate-term water stresses and associated changes in some photosynthetic parameters in cotton. New Phytol 72:1095–1105Google Scholar
  153. Jones HG (1980) Interaction and integration of adaptive responses to water stress: The implications of an unpredictable environment. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 353–365Google Scholar
  154. Jones MM, Rawson HM (1979) Influence of rate of development of leaf water deficits upon photosynthesis, leaf conductance, water use efficiency, and osmotic potential in sorghum. Physiol Plant 45:103–111Google Scholar
  155. Jordan WR (1982) Whole plant response to water deficits: An overview. In: Taylor H, Jordan W, Sinclair T (eds) Limitations to efficient water use in crop production. Am Soc Agron, Madison, Wisconsin, in pressGoogle Scholar
  156. Jordan WR, Miller FR (1980) Genetic variability in sorghum root systems: implications for drought tolerance. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 383–400Google Scholar
  157. Jordan WR, Morgan PW, Davenport TL (1972) Water stress enhances ethylene-mediated leaf abscission in cotton. Plant Physiol 50:756–758PubMedGoogle Scholar
  158. Jordan WR, Brown KW, Thomas JC (1975) Leaf age as a determinant in stomatal control of water loss from cotton during water stress. Plant Physiol 56:595–599PubMedGoogle Scholar
  159. Kaiser WM, Hartung W (1981) Uptake and release of abscisic acid by isolated photoautotrophic mesophyll cells, depending on pH gradients. Plant Physiol 68:202–206PubMedGoogle Scholar
  160. Kaldewey H, Ginkel U, Wawczyniak G (1974) Auxin transport and water stress in pea (Pisum sativum L.). Ber Dtsch Bot Ges 87:563–576Google Scholar
  161. Karmoker JL, Steveninck van RFM (1978) Stimulation of volume flow and ion flux by abscisic acid in excised root systems of Phaseolus vulgaris cv. Redland Pioneer. Planta 141:37–43Google Scholar
  162. Katsumi M, Kazama H (1978) Gibberellin control of cell elongation in cucumber hypocotyls sections. Bot Mag Tokyo Spec Issue 1:141–158Google Scholar
  163. Kauss H (1977) Biochemistry of osmotic regulation. In: Northcote DH (ed) Int Rev Biochem, Plant Biochem II, vol XIII. Univ Park Press, Baltimore, pp 119–140Google Scholar
  164. Keck RW, Boyer JS (1974) Chloroplast response to low leaf water potentials. III. Differing inhibition of electron transport and photophosphorylation. Plant Physiol 53:474–479PubMedGoogle Scholar
  165. King RW (1976) Abscisic acid in developing wheat grains and its relationship to grain growth and maturation. Planta 132:43–51Google Scholar
  166. King RW, Evans LT (1977) Inhibition of flowering in Lolium temulentum L. by water stress: a role for abscisic acid. Aust J Plant Physiol 4:225–233Google Scholar
  167. Klepper B, Taylor HM, Huck MG, Fiscus EL (1973) Water relations and growth of cotton in drying soil. Agron J 65:307–310Google Scholar
  168. Koeppe DE, Miller RJ, Bell DT (1973) Drought-affected mitochondrial processes as related to tissue and whole plant response. Agron J 65:566–569Google Scholar
  169. Kozlowski TT (1976) Water supply and leaf shedding. In: Kozlowski TT (ed) Water deficits and plant growth, vol IV. Academic Press, London New York, pp 191–231Google Scholar
  170. Kramer PJ (1980) Drought, stress, and the origin of adaptations. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 7–20Google Scholar
  171. Kuiper PJC (1972) Water transport across membranes. Annu Rev Plant Physiol 23:157–172Google Scholar
  172. Labavitch JM (1981) Cell wall turnover in plant development. Annu Rev Plant Physiol 32:385–406Google Scholar
  173. Labavitch JM, Ray PM (1974) Relationship between promotion of xyloglucan metabolism and induction of elongation by indoleacetic acid. Plant Physiol 54:499–502PubMedGoogle Scholar
  174. Lado P, Rasi-Caldogno F, Colombo R (1977) Effect of cycloheximide on IAA- or FC-induced cell enlargement in pea internode segments. Plant Sci Lett 9:93–101Google Scholar
  175. Ladyman JAR, Hitz WD, Hanson AD (1980) Translocation and metabolism of glycine betaine by barley plants in relation to water stress. Planta 150:191–196Google Scholar
  176. Lahiri AN (1980) Interaction of water stress and mineral nutrition on growth and yield. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 341–352Google Scholar
  177. Lee-Stadelmann OY, Stadelmann EJ (1976) Cell permeability and water stress. In: Lange OL, Kappen L, Schulze E-D (eds) Water and plant life: Problems and modern approaches. Ecol Stud Vol 19. Springer, Berlin Heidelberg New York, pp 268–280Google Scholar
  178. Levitt J (1980) Stress and strain terminology. In: Levitt J (ed) Responses of plants to environmental stresses, Vol I, 2nd edn. Academic Press, London New York, pp 3–19Google Scholar
  179. Lockhart JA (1965) An analysis of irreversible plant cell elongation. J Theor Biol 8:264–276PubMedGoogle Scholar
  180. Loescher WA, Nevins DJ (1973) Turgor-dependent changes in Avena coleoptile cell wall composition. Plant Physiol 52:248–251PubMedGoogle Scholar
  181. Lorimer GH, Andrews TJ (1980) The C2 photo- and chemorespiratory carbon oxidation cycle. In: Hatch MD, Boardman NK (eds) The biochemistry of plants, vol VIII. Academic Press, London New York, pp 329–374Google Scholar
  182. Lösch R, Schenk B (1978) Humidity responses of stomata and the potassium content of guard cells. J Exp Bot 29:781–787Google Scholar
  183. Loveys BR (1977) The intracellular location of abscisic acid in stressed and non-stressed leaf tissue. Physiol Plant 40:6–10Google Scholar
  184. Loveys BR, Kriedemann PE (1973) Rapid changes in abscisic acid-like inhibitors following alterations in vine leaf water potential. Physiol Plant 28:476–479Google Scholar
  185. Ludlow MM (1980) Adaptive significance of stomatal responses to water stress. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 123–138Google Scholar
  186. Ludlow MM, Ng TT, Ford CW (1980) Recovery after water stress of leaf gas exchange in Panicum maximum var. trichoglume. Aust J Plant Physiol 7:299–313Google Scholar
  187. Lürssen K, Naumann K, Schröder R (1979) l-Aminocyclopropane-l-carboxylic acid — a new intermediate of ethylene biosynthesis. Naturwissenschaften 66:264–265Google Scholar
  188. Luxmoore RJ, Millington RJ, Marcellos H (1971) Soybean canopy structure and some radiant energy relations. Agron J 63:111–114Google Scholar
  189. MacDowall FDH (1963) Midday closure of stomata in aging tobacco leaves. Can J Bot 41:1289–1300Google Scholar
  190. Mansfield TA, Wellburn AR, Moreira TJS (1978) The role of abscisic acid and farnesol in the alleviation of water stress. Philos Trans R Soc London Ser B 284:471–482Google Scholar
  191. Maranville JW, Paulsen GM (1972) Alteration of protein composition of corn (Zea mays L.) seedlings during moisture stress. Crop Sci 12:660–663Google Scholar
  192. Markhart AH III, Fiscus EL, Naylor AW, Kramer PJ (1979) Effect of abscisic acid on root hydraulic conductivity. Plant Physiol 64:611–614PubMedGoogle Scholar
  193. Marré E, Lado P, Rasi Caldogno F, Colombo R (1973) Correlation between cell enlargement in pea internode segments and decrease in the pH of the medium of incubation. I. Effects of fusicoccin, natural and synthetic auxins and mannitol. Plant Sci Lett 1:179–184Google Scholar
  194. Masuda Y (1978) Auxin-induced cell wall loosening. Bot Mag Tokyo Spec Issue 1:103–123Google Scholar
  195. Masuda Y, Sakurai N, Tazawa M, Shimmen T (1978) Effects of osmotic shock on auxin-induced cell extension, cell wall changes and acidification in Avena coleoptile segments. Plant Cell Physiol 19:857–867Google Scholar
  196. McMichael BL, Elmore CD (1977) Proline accumulation in water-stressed cotton leaves. Crop Sci 17:905–908Google Scholar
  197. McMichael BL, Jordan WR, Powell RD (1972) An effect of water stress on ethylene production by intact cotton petioles. Plant Physiol 49:658–660PubMedGoogle Scholar
  198. McMichael BL, Jordan WR, Powell RD (1973) Abscission processes in cotton: induction by plant water deficit. Agron J 65:202–204Google Scholar
  199. McNeil DL (1976) The basis of osmotic pressure maintenance during expansion growth in Helianthus annuus hypocotyls. Aust J Plant Physiol 3:311–324Google Scholar
  200. Mederski HJ, Chen LH, Curry RB (1975) Effect of leaf water deficit on stomatal and nonstomatal regulation of net carbon dioxide assimilation. Plant Physiol 55:589–593PubMedGoogle Scholar
  201. Meidner H, Edwards M (1975) Direct measurement of turgor pressure potentials of guard cells. J Exp Bot 26:319–320Google Scholar
  202. Meyer RF, Boyer JS (1972) Sensitivity of cell division and cell elongation to low water potentials in soybean hypocotyls. Planta 108:77–87Google Scholar
  203. Michelena VA, Boyer JS (1980) Growth and osmotic adjustment in maize leaves having low water potentials. Plant Physiol Suppl 65:8Google Scholar
  204. Milborrow BV (1974) The chemistry and physiology of abscisic acid. Annu Rev Plant Physiol 25:259–307Google Scholar
  205. Milborrow BV (1978) The stability of conjugated abscisic acid during wilting. J Exp Bot 29:1059–1066Google Scholar
  206. Milborrow BV (1979) Antitranspirants and the regulation of abscisic acid content. Aust J Plant Physiol 6:249–254Google Scholar
  207. Milborrow BV, Robinson DR (1973) Factors affecting the biosynthesis of abscisic acid. J Exp Bot 24:537–548Google Scholar
  208. Milburn JA (1979) Water flow in plants. Longman, London New YorkGoogle Scholar
  209. Mizrahi Y, Richmond AE (1972) Hormonal modification of plant response to water stress. Aust J Biol Sci 25:437–442Google Scholar
  210. Mizrahi Y, Blumenfeld A, Richmond AE (1972) The role of abscisic acid and salination in the adaptive response of plants to reduced root aeration. Plant Cell Physiol 13:15–21Google Scholar
  211. Mohanty P, Boyer JS (1976) Chloroplast response to low leaf water potentials. IV. Quantum yield is reduced. Plant Physiol 57:704–709PubMedGoogle Scholar
  212. Molz FJ, Boyer JS (1978) Growth-induced water potentials in plant cells and tissues. Plant Physiol 62:423–429PubMedGoogle Scholar
  213. Mooney HA, Björkman O, Collatz GJ (1977) Photosynthetic acclimation to temperature and water stress in the desert shrub Larrea divaricata. Carnegie Inst Yearb 76:328–335Google Scholar
  214. Morgan JM (1980) Possible role of abscisic acid in reducing seed set in water-stressed wheat plants. Nature (London) 285:655–657Google Scholar
  215. Morilla CA, Boyer JS, Hageman RH (1973) Nitrate reductase activity and polyribosomal content of corn (Zea mays L.) having low leaf water potentials. Plant Physiol 51:817–824PubMedGoogle Scholar
  216. Munns R, Brady CJ, Barlow EWR (1979) Solute accumulation in the apex and leaves of wheat during water stress. Aust J Plant Physiol 6:379–389Google Scholar
  217. Mussell H, Staples RC (1979) Stress physiology in crop plants. Wiley-Interscience, New York, 510 pGoogle Scholar
  218. Nulsen RA, Turtell GW, Stevenson FR (1975) Response of leaf water potential to pressure changes at the root surface of corn plants. Agron J 69:951–954Google Scholar
  219. Nye PH, Tinker PB (1977) Solute movement in the soil-root system. Stud Ecol, vol IV Univ California Press, Berkeley, 342 pGoogle Scholar
  220. Oliveira EC, Hsiao TC (1980) Osmotic adjustment of cotton to water stress: time course and associated changes in growth and assimilation. Plant Physiol Suppl 65:6Google Scholar
  221. Osmond CB (1976) Ion absorption and carbon metabolism in cells of higher plants. In: Lüttge U, Pitman MG (eds) Transport in plants II. Encyclopedia of plant physiology new ser vol II, part A, Springer, Berlin Heidelberg New York, pp 347–372Google Scholar
  222. Osmond CB, Winter K, Powles SB (1980) Adaptive significance of carbon dioxide cycling during photosynthesis in water-stressed plants. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 139–154Google Scholar
  223. O’Toole JC, Cruz RT (1980) Response of leaf water potential, stomatal resistance and leaf rolling to water stress. Plant Physiol 31:44–53Google Scholar
  224. O’Toole JC, Crookston RK, Treharne KJ, Ozbun JL (1976) Mesophyll resistance and carboxylase activity. A comparison under water stress conditions. Plant Physiol 57:465–468PubMedGoogle Scholar
  225. O’Toole JC, Cruz RT, Singh TN (1979) Leaf rolling and transpiration. Plant Sci Lett 16:111–114Google Scholar
  226. Paleg LG, Aspinall D (eds) (1981) Physiology and biochemistry of drought resistance in plants. Academic Press, Sydney, 492 pGoogle Scholar
  227. Pallaghy CK, Raschke K (1972) No stomatal response to ethylene. Plant Physiol 49:275–276PubMedGoogle Scholar
  228. Parrondo RT, Smith RC, Lazurick K (1975) Rubidium absorption by corn root tissue after a brief period of water stress and during recovery. Physiol Plant 35:34–38Google Scholar
  229. Pate JS (1980) Transport and partitioning of nitrogenous solutes. Annu Rev Plant Physiol 31:313–340Google Scholar
  230. Pearcy RW (1982) Non-stomatal inhibition of photosynthesis by water stress. In: Taylor HM, Jordan WR, Sinclair TR (eds) Efficient water use in crop production. Am Soc Agron, Madison, Wisconsin, in pressGoogle Scholar
  231. Pearson RW (1966) Soil environment and root development. In: Pierre WH, Kirkham D, Pesek J, Shaw R (eds) Plant environment and efficient water use. Am Soc Agron, Soil Sci Soc Am, Madison, Wisconsin, pp 95–126Google Scholar
  232. Penny P (1971) Growth-limiting proteins in relation to auxin-induced cell elongation in lupin hypocotyls. Plant Physiol 48:720–723PubMedGoogle Scholar
  233. Penny P, Penny D (1978) Rapid responses to phytohormones In: Letham DS, Goodwin PB, Higgins TJV (eds) Phytohormones and related compounds — a comprehensive treatise, vol II. Elsevier, Amsterdam, pp 537–597Google Scholar
  234. Petrie AHK, Wood JG (1938) Studies on the nitrogen metabolism of plants. I. The relation between the content of proteins, amino acids, and water in the leaves. Ann Bot 2:33–60Google Scholar
  235. Pheloung P, Barlow EWR (1981) Respiration and carbohydrate accumulation in the water-stressed wheat apex. J Exp Bot 32:921–931Google Scholar
  236. Pierce M, Raschke K (1980) Correlation between loss of turgor and accumulation of abscisic acid in detached leaves. Planta 148:174–182Google Scholar
  237. Pierce M, Raschke K (1981) Synthesis and metabolism of abscisic acid in detached leaves of Phaseolus vulgaris L. after loss and recovery of turgor. Planta 153:156–165Google Scholar
  238. Pitman MG, Wellfare O (1978) Inhibition of ion transport in excised barley roots by abscisic acid; relation to water permeability of the roots. J Exp Bot 29:1125–1138Google Scholar
  239. Pitman MG, Lüttge U, Läudili A, Ball E (1974a) Action of abscisic acid on ion transport as affected by root temperature and nutrient status. J Exp Bot 25:147–155Google Scholar
  240. Pitman MG, Lüttge U, Läuchli A, Ball E (1974b) Effect of previous water stress on ion uptake and transport in barley seedlings. Aust J Plant Physiol 1:377–385Google Scholar
  241. Plaut Z (1974) Nitrate reductase activity of wheat seedlings during exposure to and recovery from water stress and salinity. Physiol Plant 30:212–217Google Scholar
  242. Premecz G, Olah T, Gulyas A, Nyitrai A, Palfi G, Farkas GL (1977) Is the increase in ribonuclease level in isolated tobacco protoplasts due to osmotic stress? Plant Sci Lett 9:195–200Google Scholar
  243. Quarrie SA, Jones HG (1977) Effects of abscisic acid and water stress on development and morphology of wheat. J Exp Bot 28:192–203Google Scholar
  244. Quebedeaux B, Sweetser PB, Rowell JC (1976) Abscisic acid levels in soybean reproductive structures during development. Plant Physiol 58:363–366PubMedGoogle Scholar
  245. Radin JW, Ackerson RC (1981) Water relations of cotton plants under nitrogen deficiency III. Stomatal conductance, photosynthesis, and abscisic acid accumulation during drought. Plant Physiol 67:115–119PubMedGoogle Scholar
  246. Raschke K (1975) Stomatal action. Annu Rev Plant Physiol 26:309–340Google Scholar
  247. Raschke K (1979) Movements of stomata. In: Haupt W, Feinleib ME (eds) Physiology of movements. Encyclopedia of plant physiology new ser vol VII. Springer, Berlin Heidelberg New York, pp 383–441Google Scholar
  248. Raschke K, Zeevaart JAD (1976) Abscisic acid content, transpiration, and stomatal conductance as related to leaf age in plants of Xanthium strumarium L. Plant Physiol 58:169–174PubMedGoogle Scholar
  249. Rawson HM (1979) Vertical wilting and photosynthesis, transpiration, and water use efficiency of sunflower leaves. Aust J Plant Physiol 6:109–120Google Scholar
  250. Ray PM (1962) Cell wall synthesis and cell elongation in oat coleoptile tissue. Am J Bot 49:928–939Google Scholar
  251. Ray PM, Green PB, Cleland R (1972) Role of turgor in plant cell growth. Nature (London) 239:163–164Google Scholar
  252. Rayle DL (1973) Auxin-induced hydrogen ion secretion in Avena coleoptiles and its implication. Planta 114:63–73Google Scholar
  253. Reed NR, Bonner BA (1974) The effect of abscisic acid on the uptake of potassium and chloride into Avena coleoptile sections. Planta 116:173–185Google Scholar
  254. Rehm MM, Cline MG (1973) Inhibition of low pH-induced elongation in Avena coleoptiles by abscisic acid. Plant Physiol 51:946–948PubMedGoogle Scholar
  255. Rikin A, Richmond AE (1976) Amelioration of chilling injuries in cucumber seedlings by abscisic acid. Physiol Plant 38:95–97Google Scholar
  256. Rikin A, Blumenfeld A, Richmond AE (1976) Chilling resistance as affected by stressing environment and ABA. Bot Gaz 137:307–312Google Scholar
  257. Rubinstein B (1977) Osmotic shock inhibits auxin-stimulated acidification and growth. Plant Physiol 59:369–371PubMedGoogle Scholar
  258. Sakurai W, Masuda Y (1977) Effect of indole-3-acetic acid on cell wall loosening: changes in mechanical properties and noncellulosic glucose content of Avena coleoptile cell wall. Plant Cell Physiol 18:587–594Google Scholar
  259. Santarius KA, Ernst R (1967) Hill reaction and photophosphorylation of isolated chloroplasts in relation to water content. I. Removal of water by means of concentrated solutions. Planta 73:91–108Google Scholar
  260. Saugier B (1976) Sunflower. In: Monteith JL (ed) Vegetation and the atmosphere, vol II. Case studies. Academic Press, London New York, pp 87–119Google Scholar
  261. Scott NS, Munns R, Barlow EWR (1979) Polyribosome content in young and aged wheat leaves subjected to drought. J Exp Bot 30:905–911Google Scholar
  262. Setter TL, Brun WA, Brenner ML (1980) Effect of obstructed translocation on leaf abscisic acid, and associated stomatal closure and photosynthesis decline. Plant Physiol 65:1111–1115PubMedGoogle Scholar
  263. Shaner DL, Boyer JS (1976) Nitrate reductase activity in maize (Zea mays L.) leaves. II. Regulation by nitrate flux at low leaf water potential. Plant Physiol 58:505–509PubMedGoogle Scholar
  264. Sharp RE, Davies WJ (1975) Solute regulation and growth by roots and shoots of water-stressed maize plants. Planta 147:43–49Google Scholar
  265. Sharp RE, Osonubi O, Wood WA, Davies WJ (1979) A simple instrument for measuring leaf extension in grasses, and its application in the study of the effects of water stress on maize and sorghum. Ann Bot 44:35–45Google Scholar
  266. Silk WK, Wagner KK (1980) Growth-sustaining water potential distributions in the primary corn root: A noncompartmental continuum model. Plant Physiol 66:859–863PubMedGoogle Scholar
  267. Sinclair TR, Wit de CT (1975) Photosynthate and nitrogen requirements for seed production by various crops. Science 189:565–567PubMedGoogle Scholar
  268. Singh TN, Paleg LG, Aspinall D (1973) Stress metabolism. III. Variations in response to water deficit in the barley plant. Aust J Biol Sci 26:65–76Google Scholar
  269. Slatyer RO (1973) Effects of short periods of water stress on leaf photosynthesis. In: Slatyer RO (ed) Plant response to climatic factors. Proc Uppsala Symp 1970. UNESCO, Paris, pp 271–276Google Scholar
  270. Smith FA, Raven JA (1979) Intracellular pH and its regulation. Annu Rev Plant Physiol 30:289–311Google Scholar
  271. Sodek L, Wright STC (1969) The effect of kinetin on ribonuclease, acid phosphatase, lipase and esterase levels in detached wheat leaves. Phytochemistry 8:1629–1640Google Scholar
  272. Sprent JI (1981) Nitrogen fixation. In: Paleg LG, Aspinall D (eds) Physiology and biochemistry of drought resistance in plants. Academic Press, Sydney, pp 131–143Google Scholar
  273. Sojka RE, Stolzy LH (1980) Soil-oxygen effects on stomatal response. Soil Sci 130:350–358Google Scholar
  274. Stâlfelt MG (1955) The stomata as a hydrophotic regulator of the water deficit of the plant. Physiol Plant 8:572–593Google Scholar
  275. Staden van J, Davey JE (1979) The synthesis, transport and metabolism of endogenous cytokinins. Plant Cell Environ 2:93–106Google Scholar
  276. Steudle E, Cosgrove D (1981) Water relations of growing pea epicotyl. Abstr XIII Int Bot Congr, Sydney, August 21–28, p 247Google Scholar
  277. Stevenson TT, Cleland RE (1981) Osmoregulation in the Avena coleoptile in relation to auxin and growth. Plant Physiol 67:749–753PubMedGoogle Scholar
  278. Stewart CR, Hanson AD (1980) Proline accumulation as a metabolic response to water stress. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 173–189Google Scholar
  279. Stewart CR, Boggess SF, Aspinall D, Paleg LG (1977) Inhibition of proline oxidation by water stress. Plant Physiol 59:930–932PubMedGoogle Scholar
  280. Storey R, Ahmad N, Wyn Jones RG (1977) Taxonomic and ecological aspects of the distribution of glycine betaine and related compounds in plants. Oecologia 27:319–332Google Scholar
  281. Stout RG, Johnson KD, Rayle DC (1978) Rapid auxin and fusicoccin-enhanced Rb+ uptake and malate synthesis in Avena coleoptile sections. Planta 139:35–41Google Scholar
  282. Stuart DA, Jones RL (1978a) Role of cation and anion uptake in salt-stimulated elongation of lettuce hypocotyl sections. Plant Physiol 61:180–183PubMedGoogle Scholar
  283. Stuart DA, Jones RL (1978 b) The role of acidification in gibberellic acid- and fusicoccininduced elongation growth of lettuce hypocotyl sections. Planta 142:135–145Google Scholar
  284. Tal M, Imber D (1971) Abnormal stomatal behavior and hormonal imbalance in fiacca, a wilty mutant of tomato III. Hormonal effects on the water status in the plant. Plant Physiol 47:849–850PubMedGoogle Scholar
  285. Tal M, Imber D, Erez A, Epstein E (1979) Abnormal stomatal behavior and hormonal imbalance in flacca, a wilty mutant of tomato. V. Effect of abscisic acid on indoleacetic acid metabolism and ethylene evolution. Plant Physiol 63:1044–1048PubMedGoogle Scholar
  286. Thomas H, Stoddart JL (1980) Leaf senescence. Annu Rev Plant Physiol 31:83–111Google Scholar
  287. Todd GW (1972) Water deficits and enzymatic activity. In: Kozlowski TT (ed) Water deficits and plant growth. Vol III. Academic Press, London New York, pp 177–216Google Scholar
  288. Torrey JA (1976) Root hormones and plant growth. Annu Rev Plant Physiol 27:435–484Google Scholar
  289. Troughton JH, Slatyer RO (1969) Plant water status, leaf temperature, and the calculated mesophyll resistance to carbon dioxide of cotton leaves. Aust J Biol Sci 22:815–827Google Scholar
  290. Tully RE, Hanson AD, Nelsen CE (1979) Proline accumulation in water-stressed barley leaves in relation to translocation and the nitrogen budget. Plant Physiol 63:518–523PubMedGoogle Scholar
  291. Turner NC (1974) Stomatal behavior and water status of maize, sorghum and tobacco under field conditions. Plant Physiol 53:360–365PubMedGoogle Scholar
  292. Turner NC (1979) Drought resistance and adaptation to water deficits in crop plants. In: Mussel H, Staples RC (eds) Stress physiology in crop plants. Wiley-Interscience, New York, pp 343–372Google Scholar
  293. Turner NC, Jones MM (1980) Turgor maintenance by osmotic adjustment: A review and evaluation. In: Turner NC, Kramer PJ (eds) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, pp 87–103Google Scholar
  294. Turner NC, Kramer PJ (eds) (1980) Adaptation of plants to water and high temperature stress. Wiley and Sons, New York, 382 pGoogle Scholar
  295. Vaadia Y (1976) Plant hormones and water stress. Philos Trans R Soc London Ser B 273:513–522Google Scholar
  296. Verasan V, Phillips RE (1978) Effects of soil water stress on growth and nutrient accumulation in corn. Agron J 70:613–618Google Scholar
  297. Volkenburgh van E, Cleland RE (1980) Proton excretion and cell expansion in bean leaves. Planta 148:273–278Google Scholar
  298. Walton DC (1980) Biochemistry and physiology of abscisic acid. Annu Rev Plant Physiol 31:453–489Google Scholar
  299. Walton DC, Harrison MA, Cote P (1976) The effects of water stress on abscisic acid levels and metabolism in roots of Phaseolus vulgaris L. and other plants. Planta 131:141–144Google Scholar
  300. Walton DC, Galson E, Harrison MA (1977) The relationship between stomatal resistance and abscisic acid levels in leaves of water-stressed bean plants. Planta 133:145–148Google Scholar
  301. Weiler EW, Schnabl H, Hornberg C (1982) Stress-related levels of abscisic acid in guard cell protoplasts of Vicia fabe L. Planta 154:24–28Google Scholar
  302. Williams RF (1975) The shoot apex and leaf growth. Univ Press, Cambridge, 256Google Scholar
  303. Wittenbach VA, Ackerson RC, Giaquinta RT, Hebert RR (1980) Changes in photosynthesis, ribulose bisphosphate carboxylase, proteolytic activity and ultrastructure of soybean leaves during senescence. Crop Sci 20:225–231Google Scholar
  304. Wright STC (1969) An increase in the “inhibitor-β” content of detached wheat leaves following a period of wilting. Planta 86:10–20Google Scholar
  305. Wright STC (1977) The relationship between leaf water potential (Ψ leaf) and the levels of abscisic acid and ethylene in excised wheat leaves. Planta 134:183–189Google Scholar
  306. Wright STC (1978) Phytohormones and stress phenomena. In: Letham DS, Goodwin PB, Higgins TJV (eds) Phytohormones and related compounds: A comprehensive treatise, vol II. Phytohormones and the development of higher plants. Elsevier, Amsterdam, pp 497–536Google Scholar
  307. Wright STC (1979) The effect of 6-benzyladenine and leaf ageing treatment on the levels of stress-induced ethylene emanating from wilted wheat leaves. Planta 144:179–188Google Scholar
  308. Wright STC (1980) The effect of plant growth regulator treatments on the levels of ethylene emanating from excised turgid and wilted wheat leaves. Planta 148:381–388Google Scholar
  309. Yang SF (1980) Regulation of ethylene biosynthesis. Hort Science 15:238–243Google Scholar
  310. Yang SF, Pratt HK (1978) The physiology of ethylene in wounded plant tissues. In: Kahl G (ed) Biochemistry of wounded plant tissues. De Gruyter, Berlin, pp 595–622Google Scholar
  311. Younis HM, Boyer JS, Govindjee (1979) Conformation and activity of chloroplast coupling factor exposed to low chemical potential of water in cells. Biochim Biophys Acta 548:328–340PubMedGoogle Scholar
  312. Zabadal TJ (1974) A water potential threshold for the increase of abscisic acid in leaves. Plant Physiol 53:125–127PubMedGoogle Scholar
  313. Zeevaart J AD (1977) Sites of abscisic acid synthesis and metabolism in Ricinus communis L. Plant Physiol 59:788–791PubMedGoogle Scholar
  314. Zeevaart JAD (1980) Changes in levels of abscisic acid and its metabolites in excised leaf blades of Xanthium strumarium during and after water stress. Plant Physiol 66:672–678PubMedGoogle Scholar
  315. Zeroni M, Jerie PH, Hall MA (1977) Studies on the movement and distribution of ethylene in Vicia faba L. Planta 134:119–125Google Scholar
  316. Zimmermann U (1978) Physics of turgor and osmoregulation. Annu Rev Plant Physiol 29:121–148Google Scholar

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© Springer-Verlag Berlin · Heidelberg 1982

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  • K. J. Bradford
  • T. C. Hsiao

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