Seed of 34 cultivars of winged bean of different origin were evaluated for their nutritional composition and the antinutritional factor, the trypsin inhibitor. The values ranged from 14.1 17.6, 6.12-8.73, 21.94-34.89 and 30.86-39.05% for their fat, fibre, carbohydrate and protein contents, respectively. The protein content in defatted seed meal ranged from 33.4347.25%, whereas the trypsin inhibitor activity (TIA) registered a wide variation from 63-123 mg g-t with seed coat and 51-98 mg g-1 without seed coat. The strain selection-12 and NBRI selection contained the minimum TIA (63mgg-~), while the highest value (I23 mgg -1) was in variety V7, a 2-fold higher activity.
An investigation on climate change impact on green gram was conducted at Agronomy farm, NAU, Navsari, Gujarat during the rabi seasons of 2021-22. The calibrated and validated DSSAT CROPGRO simulation model was used to determine the productivity of green grams under various climate change scenarios. In this experiment, the effects of CO2 concentration, solar radiation and maximum and minimum temperatures on green gram productivity were examined individually and in combination. According to the sensitivity of the DSSAT CROPGRO model, under the conditions of projected climate change, the best case scenario for its favourable impact on green gram yield was a rise in CO2 concentration (600 ppm), along with solar radiation up to a certain level (1 unit), which may nullified the adverse effect of increases in temperature on green gram productivity.
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