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Samapika Dalai*, Manoj Kumar Singh, Mukesh Kumar, K.V. Singh and Vipin Kumar
Department of Horticulture,
Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut (250 110)
Email: Samapikad@yahoo.com
Received-14.09.2016, Revised-25.09.2016
Abstract: An experiment was conducted to assess the effect of various doses of GA3 andNAA on growth, flowering, yield and yield contributing parameters in cucumber. Total eight treatments of the growth regulators viz, GA3 10, GA3 20, GA3 30 ppm, NAA 50, NAA 100, NAA 150 ppm, GA3 20 + NAA 100 and control were tried in Randomized Block Design and replicated thrice. Out of these, an application of combined dose @ GA3 20 ppm + NAA100 ppm was found significantly superior in terms of growth, flowering and yield and yield attributing parameters i.e. vine length plant-1 (cm), number of primary branches plant-1, number of leaves plant-1, length and width of longest leaf (cm), days to first flower formation, number of male and female flower plant-1, sex ratio, number of fruits plant-1, length and width of fruit (cm) at alternate days, length and width of fruit (cm) at five days, weight of fruit-1, fruit yield plant-1, fruit yield plot-1 and yield (qha-1) as compared to control and other applied treatment. Overall the impact of above observation, the highest yield (173.60 qha-1) of tender green was recorded with a combined dose of GA3 20 ppm + NAA100 ppm and minimum yield (150.53 qha-1) of tender green under control.
Keywords: Cucumber, Pusa Uday, GA3, NAA
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