Summary
Bacteria were isolated from ineffective nodules ofPhaseolus multiflorus growing in a natural environment. These bacteria gave effective nodule formation onTrifolium repens and ineffective nodule formation on Phaseolus, Pisum andVicia Faba.
An effective clover strain isolated fromTrifolium pratense induced ineffective nodule formation onMedicago sativa andVicia Faba.
An effective lucerne strain produced ineffective nodule formation on peas. An effective lupine strain produced ineffective nodule formation with very few and small nodules on lucerne.
After re-isolations and testing on the original host plant the original form of nodules was always produced.
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Bjälfve, G. The effectiveness of nodule bacteria. Plant Soil 18, 70–76 (1963). https://doi.org/10.1007/BF01391681
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DOI: https://doi.org/10.1007/BF01391681