Abstract
The present investigation entitled “Effect of plant growth regulators on yield and corm production of gladiolus (Gladiolus hybridus Hort.) cv. White Prosperity” was conducted at Horticulture Research Center (HRC), College of Agriculture, Sardar Vallabhbhai Patel University of Agriculture & Technology, Meerut-250110 (U. P.) during the rabi season of 2018-2019. The investigation revealed that plant growth regulators showed significant results on gladiolus as GA3 at 400 ppm or 800 ppm concentration was significantly superior to other treatments in improving the weight of corm per plant. NAA at 200, 400 and 600 ppm increases the weight of cormels per plant. BA at 100 ppm increased diameter of corm, number of cormels per plant, number of corm per plant and yield of corms and cormels. When the different treatments of application were compared, it was found that corm dipping + foliar spraying treatment was significantly superior to other treatments.
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