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Asymbiotic nitrogen fixation byRhizobium sp. 127E15 in culture and in the lima bean rhizosphere

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Abstract

Rhizobium sp. 127E15 fixed nitrogen asymbiotically, when grown in induction media. Highest level of acetylene reduction activity was reached in LNB5 medium and in media containing a combination of two sugars, sucrose and arabinose. In the induced cultures, large pleomorphic forms of bacteroids were produced. Considerable acetylene reduction activity was recorded in the rhizosphere of the lima bean plants that were inoculated with rhizobia and grown in pot cultures. Trace amounts of activity could also be detected in the rhizobia adhering to the rhizoplane.

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Ramaswamy, P., Bal, A.K. Asymbiotic nitrogen fixation byRhizobium sp. 127E15 in culture and in the lima bean rhizosphere. Current Microbiology 15, 223–228 (1987). https://doi.org/10.1007/BF01577535

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  • DOI: https://doi.org/10.1007/BF01577535

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