Author(s):

Shashank Kumar, Rajeev Singh, Vineet Singh, Maneesh Kumar Singh and Amit Kumar Singh

Abstract: The experiment was laid out in randomized block design with three replication at horticultural research farm of Udai Pratap Autonomous College, Varanasi, Uttar Pradesh during year 2015-16. Max/min, temperature/humidity was measured 29 ⁰C/12.4 ⁰C, 89%/63%. The objectives are to study the effect of varying levels of NAA, 2, 4-D and GA₃ on growth, quality and yield of tomato and to ascertain the best concentration of NAA, 2, 4-D and GA₃ for vegetative growth and fruit quality of tomato. The experiment consisted tomato variety viz. kashi vishesh (H-86) and different levels of NAA (15, 30, 45 ppm), 2, 4-D (5, 10, 15 ppm) and GA₃ (20, 30, 40 ppm) of different concentrations were used. From the result it was observed that concentration of GA₃ @ 40 ppm concentration showed significant effects on growth, flowering, yield and quality of tomato.

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