Affiliation:
1. Departamento de Microbiolog�a, Estaci�n Experimental del Zaid�n del C.S.I.C., Granada, Spain
Abstract
The infectiveness of different strains of
Rhizobium meliloti
was tested with a technique that uses the addition of tetracycline to the root medium. To stop the infection, the antibiotic was added some time after the inoculation of
Medicago sativa
plants. A coefficient of infectivity for each strain was calculated according to the number of nodules that appeared with and without the addition of the antibiotic. This method seems useful in infectivity studies and is simpler and easier to perform than the test of competence between strains.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
Cited by
67 articles.
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