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RESEARCH ARTICLE

Host selection for effective Rhizobium trifolii by red clover and subterranean clover in the field

AC Robinson

Australian Journal of Agricultural Research 20(6) 1053 - 1060
Published: 1969

Abstract

Cultures of root-nodule bacteria, from the nodules of red clover and subterranean clover growing closely together in the field, were tested for comparative symbiotic ability (effectiveness) with both red clover and subterranean clover. It was found that test plants of either host species nodulated faster and more effectively when inoculated with cultures isolated from the homologous host growing in the field than did test plants inoculated with cultures isolated from the heterologous host. Because the hosts had originally been nodulated in the presence of the same field populations of Rhizobium trifolii, it is concluded that the host legume exerts a selective effect in accepting infections from a mixed population.

https://doi.org/10.1071/AR9691053

© CSIRO 1969

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