Author(s):

Avinash, JR Patil, RP Patil and S Pandith Rathod

Abstract: Pigeon pea is most important pulse crop in Kalburgi district of Karnataka. Yield of pigeon pea is decreasing due to flower drop and pod setting in climatic vulnerability situation. Field experiment was conducted to study source and sink relationship in pigeon pea (Cajanus cajan l.) as influenced by nutrients and plant growth regulators. The results in this investigation noticed that among all the treatments pulse magic spray on pigeon pea variety TS3R have significantly increased the yield (1442 kgha^-1) compared to the control (1182 kgha^-1) which increased the yield by 22% over control by improving the growth parameters such as plant height (166.20 cm), leaf area (47.63 dm² plant^-1), leaf area index (1.80), leaf area duration (84.71 days), absolute growth rate (0.94 g day ^-1), crop growth rate (3.94 g dm^-2 day ^-1), total dry matter accumulation (195.36 g plant^-1) as compared to control (151.20 cm, 36.01 dm² plant^-1, 1.24, 66.46 days, 0.69 g day ^-1, 2.17 g dm^-2 day ^-1 and 164.84 g plant^-1 respectively). Pulse magic is a combi product, released by university of agricultural sciences, Raichur as it contains major nutrients, micro nutrients and PGR which helped the crop to achieve maximum yield potential.

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