Formation and Function of the Legume–Rhizobium Symbiosis of Soybean Plants while Introducing Bacterial Strains from the Genera Azotobacter and Bacillus |
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| Authors: | Mel&#;nikova N N Bulavenko L V Kurdish I K Titova L V Kots&#; S Ya |
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| Institution: | (1) D.K. Zabolotnyi Institute of Microbiology and Virology, National Academy of Sciences of Ukraine, Kiev, 03143, Ukraine;(2) Institute of Plant Physiology and Genetics, National Academy of Sciences of Ukraine, Kiev, 03022, Ukraine |
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| Abstract: | The effects of bacteria belonging to the genera Azotobacter and Bacillus in a mixed culture with Bradyrhizobium japonicumstrains on the formation and function of the legume–rhizobium symbiosis of soybean plants were studied. The data showed that the bacterial compositions B. japonicum 634b +B. subtilis 5, B. japonicum 634b + A. chroococcum 20, and B. japonicum 10k + A. vinelandii56 with a cell ratio of 1 : 0.1 increased the number and weight of root nodules as well as the height and weight of the aboveground plant parts in almost all cases by 22–105% compared with the control variants. These binary microbial cultures may be used for the development of combined bacterial preparations for soybean. |
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