Author(s):

AM Mayur and Dr. Balakrishna Gowda

Abstract: The preliminary study was taken up to understand the variation on qualitative characteristics of seeds and oil content in Pongamia pinnata in different rainfall zones in Hasssan district of Karnataka. The study was carried out in three contrasting locations represented by 20 random trees from each location. Accordingly, the observations were collected on Seed Biomass and Fatty acid composition (kernel oil) were studied to know the pattern and extent of variation among the rainfall habitats. The results revealed significant variation among the rainfall habitats. The moisture content was found to be highest in high rainfall (15.93%) and least in low rainfall area (9.55%). In case of low rainfall area, between Arasikere and Channarayapatna population, the fresh weight of seeds is higher in case of Arasikere seed population shows higher fresh biomass (4.30±0.500) than in case of Channarayapatna (3.80±0.65). In contrast to this, seed dry weight parameter shows the lower value in Arasikere population (3.35±0.46) than that Chnnarayapatna (3.58±0.39) though there is no significant difference. While the moisture content is higher in case of Chnnarayapatna (10.60±0.94) than in case of Arasikere seed population (8.50±0.83).

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