Objective: This study was conducted to investigate the mycorrhizal colonization and biomass productivity of different sites of Pongamia pinnata nurseries plant. Methodology: The rhizosphere soil and root samples were collected from five different study sites. Indigenous AMF inoculums supplied 30 g per plant. After 90th days of treatment, plants samples were drawn and observations were recorded. Results: Percentage of Arbuscular Mycorrhizal (AM) infection, number of resting spores and AM fungi (AMF) species varies in different sites of nurseries. The AMF inoculums treatments promising data were observed almost in all study sites for 90th Days After Seedlings (DAS). This variation is attributed to various factors such as mycorrhizal status and biomass. Glomus species dominated in all sites followed by Sclerocystis , Gigaspora and Acaulospora . Conclusion: Mycorrhizae could contribute substantially to achieve better results for high oil seed production . When AMF are more colonized to plants then enhanced the biomass productivity.
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