Full Length Research Paper
Abstract
In the present study mono and mixed culture bacterial combinations of Azotobacter were used to inculcate Vigna radiata seeds. In general, bacterial inoculations (mono and mixed cultures) promoted seed germination, early growth parameters, auxin content, soluble protein content, peroxidase and acid phosphatase activity relative to non-inoculated control seedlings. Increase of (23%) as well as decrease (6.8%) in the root length were observed with bacterial inoculations relative to non-inoculated seedlings. About 20.07% enhancements in fresh weight and 62% enhancement in dry weight was observed in case of bacterial inoculations. Among the monoculture Ab-4(A3) induced pronounced growth stimulator effects, mixed culture combinations B6, B7, and B10 showed pronounced synergistic effects relative to respective monocultures, while B2 exhibited negative in majority of the parameters being studied.
Key words: Azotobacter, Vigna radiata, auxin, acid phosphatase, peroxidase.
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