Influence ofGlycine max nodulation on the persistence in soil of a genetically markedBradyrhizobium japonicum strain
- L. D. Kuykendall
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Since competition with indigenous strains limits nodule occupancy by bacteria applied to seeds, the ecology of Bradyrhizobium inoculum strains used for soybean is of concern. A genetically marked strain,B. japonicum I-110 ARS, was directly enumerated from soil on selective medium. A clear long-term positive influence of even limitedGlycine max nodulation was shown by comparisons of population densities obtained with or without plant removal prior to nodule senescence in the first year and with an incompatible as well as a compatible soybean variety after 5 years.
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- Influence ofGlycine max nodulation on the persistence in soil of a genetically markedBradyrhizobium japonicum strain
Plant and Soil
Volume 116, Issue 2 , pp 275-277
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- Kluwer Academic Publishers
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- antibiotic resistance
- nitrogen fixation
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- L. D. Kuykendall (1)
- Author Affiliations
- 1. Agricultural Research Service, Plant Sciences Institute, Nitrogen Fixation and Soybean Genetics Laboratory, USDA, Bldg. 011, HH-19, BARC, 20705, West Beltsville, MD, USA