Plant and Soil

, Volume 92, Issue 2, pp 313–317 | Cite as

Comparison of the host range of fast-growingR. japonicum strains with a fast-growing isolate from Lablab

  • N. A. Morrison
  • M. J. Trinick
  • B. G. Rolfe
Short Communications


Fast-growingRhizobium japnicum strains derived from the People's Republic of China were compared with a fast-growingRhizobium isolate from Lablab for their ability to nodulate tropical legumes grown in Leonard-jars and test tube culture. Fast-growingR. japonicum strains were all effective to varying degrees in their symbiosis withVigna unguiculata. Two strains USDA 192 and USDA 201, effectively nodulatedGlycine whightii and one strain, USDA 193, effectively nodulatedMacroptilium atropurpureum. Other nodulation responses in tropical legumes were ineffective. The fast-growing isolate from Lablab was more promiscuous, effectively nodulating with a larger host range. The fast-growing Lablab strain was considered more akin, on a symbiotic basis, to the slow-growing cowpea type rhizobia than the fast-growing China strains ofR. japonicum whilst maintaining physiological characteristics of other fast-growing rhizobia.

Key words

Fast-growingGlycine max Host range Lablab Nodulation Rhizobium japonicum Slow-growing Tropical legumes 


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Copyright information

© Martinus Nijhoff Publishers 1986

Authors and Affiliations

  • N. A. Morrison
    • 1
  • M. J. Trinick
    • 2
  • B. G. Rolfe
    • 1
  1. 1.Genetics Department, Research School of Biological SciencesAustralian National UniversityCanberra CityAustralia
  2. 2.Division of Plant IndustryCSIROCanberra CityAustralia

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