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Variation in thousand grain weight of green gram stored in hermetic and other bags

A study was conducted to see the thousand grain weight variation in Green gram stored in different types of bags. Green gram (Vigna radiate) grains were procured from local market, cleaned and graded by two screen cleaner-cum-grader. Storage study was conducted by storing large sized green gram grains in 4 types of bags (jute, plastic, polythene, hermetic) without and with treatment (aluminium phosphide tablets) at 3 different initial moisture contents (12.34, 14.07, 16.04 % w.b.). Total 21 such bags having different treatment combinations were kept in laboratory for 33 weeks. Daily observation of ambient temperature and relative humidity was taken throughout the study period. Weekly observations of moisture content were recorded for 27 weeks (jute bags) to 33 weeks (hermetic bags). It was observed that thousand grain weight decreased with advancement of storage duration across all 21 experimental combinations. The overall variation range for thousand grain weight was found between 33.20 – 49.04 g. Variation was observed more in case of untreated samples as compared to treated samples. Hermetic bags stored green gram was found better with minimum decrease in grain damage (46.03 to 42.58 g) even after 33 weeks of storage duration in case of IMC1. Statistical analysis through UNIANOVA revealed that initial moisture content emerged as most significant independent variable to affect thousand grain weights. The interaction of trt*imc affected thousand grain weight most significantly. Hence the hermetic bag could be recommended for storing green gram safely for longer duration without affecting its quality. | Variation in thousand grain weight of green gram stored in hermetic and other bags