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Microbes Environ. 2010;25(1):58-61.

Azospirillum sp. strain B510 enhances rice growth and yield.

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Research and Development Center, Mayekawa Mfg. Co., Ltd., 2000 Tatsuzawa, Moriya, Ibaraki, Japan.


Inoculation experiments with the endophytic bacterium Azospirillum sp. strain B510, an isolate from surface-sterilized stems of field-grown rice, were conducted in pots in a greenhouse, and in paddy fields in Hokkaido, Japan. B510 significantly enhanced the growth of newly generated leaves and shoot biomass under greenhouse conditions. When rice seedlings were treated with 1×10(8) CFU ml(-1), then transplanted to paddy fields, tiller numbers and seed yield significantly increased. Azospirillum sp. strain B510 is a promising bacterial inoculant for plant growth promotion and agricultural practices.

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