Vol. 12, Issue 4 (2023)

Author(s):
Veeramosu Jishnu, Deepanshu and Dr. Devi Singh

Abstract:
An experiment was conducted during Zaid season 2021 at Horticulture Research Farm, Department of Horticulture, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj (Uttar Pradesh). To find out the effect of plant growth regulator on growth, yield and quality of sponge gourd (Luffa cylindrica L.). The experiment have different concentrations of GA₃ applied as foliar spray of ppm at true 2 leaf and 4 leaf stage, There are 9 treatments laid out in Randomized Block Design (RBD) in three replications. The results showed that the treatment with T₅ GA₃ (50 ppm) 4 leaf stage, was found to be the best out of 8 treatments in terms of vine length and results maximum at 20,40,60 and at harvest, days to first appearance of female flowers. Yield parameters like days to first harvest (64.21), fruit weight (165.73 g), fruit length (28.56 cm), maximum no. of fruits/plant (12.66), (TSS 4.75⁰ Brix), yield tonne per hectare (16.78).