Studies on the occurrence of Azospirillum in sesame fields of Cuddalore and Villupuram districts of Tamil Nadu

A survey was conducted at twenty different locations in Cuddalore and Villupuram districts of Tamil Nadu State, India, in selected sesame fields to study the occurrence of indigenous Azospirillum populations. The Azospirillum isolates were isolated and characterized. Two species of Azospirillum, Azospirillum brasilense and Azospirillum lipoferum were isolated. In general, the native Azospirillum population was less in soils with pH 8.0 and above and the Azospirillum rhizobiocoenosis is predominantly by A. brasilense.

Author(s): M. Ezhil Bama and K. Ramakrishnan

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