Isolation & Characterization of Rhizobia and their Effect on Vigna radiata Plant

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Prerna Rajpoot and Kain Singh Panwar

Department of Biotechnology, Beehive P.G College , Dehradun  U.K India

Rhizobia  is  Gram negative bacteria  that fix nitrogen , bacteria colonize plant cell with root nodules and commonly found in  pulse. In present study  rhizobia isolated from root nodules of vigna radiata and characterized morphologically,  biochemical test were to as certain its physiology under normal conditions , three bacterial strain (Rp1 , Rp2, Rp3) were tested for their effect on root, Shoot and  no. of nodules of vigna radiata plant  in green house condition. Comparatively in all three strains Rp1 strain was found to most effective in positively Enhancing the growth of the plant in all parameters.

Key words: Rhizobia, bacteria, Vigna radiate, Plant

 

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