Author(s):

Raj Kumar, RK Yadav, Nitish Sharma, Atul Yadav and Nikita Nehal

Abstract: The present investigation entitled “Influence of plant growth regulators on biochemical changes of mungbean (Vigna radiata L. Wilczek)” was conducted during kharif season, 2015 at the Instructional Farm of Narendra Deva University of Agriculture & Technology, Kumarganj, Faizabad (U.P.), India in randomized block design with ten treatments, three replications and variety Narendra mung-1. The treatments were comprised of foliar spray of two plant growth regulators (PGRs) of different concentrations viz., Salicylic acid (50, 100, 150 and 200 ppm) and GA3 (50, 100, 150 and 200 ppm) along with untreated control (distilled water spray) & spraying was done at 25 DAS. The observations were taken on biochemical parameters like chlorophyll, nitrate reductase, protein and nitrogen content. All the PGRs viz., salicylic acid and GA3induced positive influence on chlorophyll, nitrate reeducates, protein and nitrogen content in plants but the foliar spraying of SA 150 ppm at 25 DAS was found more profound among all treatments. On the basis of above investigation it may be concluded that foliar spray of PGRs at 25 DAS may be used as a potential tool to improve growth and yield of mungbean.

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