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Application of MH to prevent pre-harvest sprouting of seeds in groundnut

An investigation was undertaken during kharif 2017 at the Central Research Station and Department of Seed Science and Technology, OUAT, Bhubaneswar to find out the optimum dose of foliar application of MH for inducing seed dormancy in groundnut in order to prevent pre-harvest sprouting of seeds in groundnut. The experimental material consisted of three groundnut varieties namely, TG 37 A, TG 38 B and Devi and six treatments namely, MH @ 0, 250, 500, 750, 1000 and 1250 ppm applied as foliar spray at 70 and 90 DAS. Appropriate agronomic practices were followed for raising the seed crops. Applications of MH resulted in partial induction of seed dormancy which lasted upto one week in all the three varieties and the extent of dormancy increased with increase in dose of MH. Among the varieties, Devi responded well to dormancy induction treatments followed by TG 38 B and TG 37 A. The highest seed dormancy was induced with application of MH @ 1250 ppm with seed germination values of 43.00 % and 59.83 % immediately and after one week of harvest, respectively. | Application of MH to prevent pre-harvest sprouting of seeds in groundnut