Isolation of Rhizobium leguminosarum (biovar trifolii ) Strains from Ethiopian Soils and Symbiotic Effectiveness on African Annual Clover Species-Reference-Cited by-同舟云学术

Isolation of Rhizobium leguminosarum (biovar trifolii ) Strains from Ethiopian Soils and Symbiotic Effectiveness on African Annual Clover Species

Published:1990-04 Issue:4 Volume:56 Page:1087-1092
ISSN:0099-2240
Container-title:Applied and Environmental Microbiology
language:en
Short-container-title:Appl Environ Microbiol

Author:

Friedericks J. B.¹,Hagedorn C.¹,Vanscoyoc S. W.¹

Affiliation:

1. Department of Agronomy, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061

Abstract

Strains of Rhizobium leguminosarum (biovar trifolii ) isolated from two Ethiopian soils or obtained from a commercial source were evaluated for symbiotic effectiveness on five African annual clover species. Numerous Rhizobium trifolii strains that exhibited varying levels of symbiotic effectiveness were isolated from both soils (a nitosol and a vertisol), and it was possible to identify strains that were highly effective for each clover species. The soil isolates were, as a group, superior to the strains from the commercial source. Several R. trifolii strains were found to be effective on more than one clover species, and there appeared to be at least two and possibly three distinct cross-inoculation effectiveness groups.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Link

https://journals.asm.org/doi/pdf/10.1128/aem.56.4.1087-1092.1990

Reference30 articles.

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