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Nodulation of annual medicago by strains ofR. Meliloti in a commercial inoculant as influenced by soil phosphorus and pH

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Summary

Four species of annual medics showed poor growth and little or no nodulation in an inoculated, acid soil low in available phosphorus. Nodulation was significantly increased by adding phosphorus to the soil. The number of nodules found on the roots of each species was approximately the same for soil at pH 5.5 or 6.8.

A commercial inoculant ofRhizobium meliloti was adequate for nodulation of all four species and two strains of rhizobia predominated in the nodules which were assayed by immunodiffusion.

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References

  1. 1

    Breth, S. A., The return of medic. CIMMYT Today. Centro Internacional de Mejoremiento de Maiz y Trigo, Mexico (1975).

  2. 2

    Brockwell, J. and Whalley, R. D. B., Studies on seed pelleting as an aid to legume seed inoculation: 2 Survival ofRhizobium meliloti applied to medic seed sown into dry soil. Aust. J. Exp. Agric. Anim. Husb.10, 455–459 (1970).

  3. 3

    Burrell, R. G. and Mascoli, C. C., Experimental Immunology. Burgess Pub. Co., Minneapolis, 105 P. (1968).

  4. 4

    Burton, J. C., Milwaukee, Personal communication (1976).

  5. 5

    Dart, P. J. and Pate, J. S., The effect of delaying inoculation on the seedling symbiosis of barrel medic. Aust. J. Biol. Sci.12, 427–444 (1959).

  6. 6

    Kassim, G. M., Growth and nodulation of four annualMedicago species as affected by different levels of phosphorus and pH. Unpublished Masters Thesis, University of Missouri (1976).

  7. 7

    Kremer, R. J. and Wagner, G. H., Detection of solubleRhizobium japonicum antigens in soil by immunodiffersion. Soil Biol. Biochem.10, 247–255 (1978).

  8. 8

    Robson, A. D. and Lonerogan, J. F., Nodulation and growth ofMedicago truncatula on acid soils. I Effect of calcium carbonate and inoculation level. Aust. J. Agric. Res.21, 427–434 (1970).

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Wagner, G.H., Kassim, G.M. & Martyniuk, S. Nodulation of annual medicago by strains ofR. Meliloti in a commercial inoculant as influenced by soil phosphorus and pH. Plant Soil 50, 81–89 (1978). https://doi.org/10.1007/BF02107158

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Keywords

  • Nodule
  • Phosphorus
  • Plant Physiology
  • Rhizobium
  • Acid Soil