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Appl Environ Microbiol. 1985 February; 49(2): 459-461
Copyright © 1985, American Society for Microbiology. All Rights Reserved.

Possible Involvement of Phage-Like Structures in Antagonism of Cowpea Rhizobia by Rhizobium trifolii

M. V. Joseph{dagger}, J. D. Desai{ddagger} and A. J. Desai{ddagger},*

Postgraduate Department of Biosciences, Sarder Patel University, Vallabh Vidyanagar 388120, Kaira, Gujarat, India

ABSTRACT

A reduction in the viability of cowpea rhizobia was observed when Rhizobium trifolii IARI and cowpea Rhizobium strain 3824 were inoculated together in soil. The reduction in number of cowpea rhizobia in soil was found to be associated with the reduction in number of nodules per plant and retardation in plant growth. An antimicrobial substance was isolated from R. trifolii which, on electron microscopic investigation, demonstrated the presence of several phage-like structures.

FOOTNOTES

* Corresponding author.

{dagger} Present address: Department of Lifesciences, University of Calicut, Thenhipalam 673635, Kerala, India.

{ddagger} Present address: Department of Biosciences, South Gujarat University, Surat 395007, Gujarat, India.

Appl Environ Microbiol. 1985 February; 49(2): 459-461
Copyright © 1985, American Society for Microbiology. All Rights Reserved.





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