Effect of growth regulators on rice productivity

Gurbaksh Singh, Santokh Singh, Santa B. Gurung

Abstract


One cultivar ('Jaya') of rice was raised and growth regulators - indole acetic acid (IAA), gibberellic acid (GA3), kinetin (Kn) and Ethrel (Eth) - were sprayed at anthesis and repeated after one week. Kn and lAA treatments significantly increased the number of grains per panicle, percentage of filled spikelets, 1000-filled grain weight and yield. GA3 and Eth had little effect on these parameters.

Keywords


Rice; Yield; Growth regulators

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