Legume plants with no nodules or with nodules containing ineffective bacteria are common causes of low production or complete failures of alfalfa and clover plantings in Oregon. These failures result in the loss of the stand plus the investment in fertilizer and seed used to make the planting. In many...
Published April 1980. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Although the biology of Bradyrhizobium has been studied for almost
one hundred years, virtually nothing is known about the ecology and genetic
variation in natural soil populations of this genus. The majority of
information has been obtained from studies of one species, Bradyrhizobium
japonicum, and the diversity within soil populations...