NOTE ON THE ROOT-NODULE BACTERIA OF ASTRAGALUS SINICUS L

Abstract
30 strains of bacteria of known cross-inoculation groups representing the 7 major groups, and 6 strains isolated from the root nodules of A. sinicus were used in the tests. The root-nodule bacteria of Astragalus do not produce nodules on other genera of leguminous plants, nor do bacteria isolated from other sources, except Desmodium heterophyllum, form nodules on Astragalus plants.
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