Vol. 12, Issue 4 (2023)

Author(s):
Sunil Kumar Kogale, Suneetha, C, Hanumantharaya BG, Vijaykumar BT, Kavitha TR, Sunitha TR and Krishnamma PN

Abstract:
A field experiment was carried out during kharif season 2019-2020 Department of Horticulture, College of Agriculture, University of Agricultural Sciences, GKVK, Bengaluru to study the effect of mepiquat chloride on sex expression of Pumpkin (Cucurbita moschata L.) variety Arka Suryamukhi. Three concentrations of mepiquat chloride (50, 75 and 100 g a.i. ha-1) containing ten treatments were replicated thrice and spray was taken at three growth stages of the crop (at initiation of shooting, at initiation of flowering and 15 days after initiation of flowering) of the crop. Reproductive parameters, observations were recorded and significant results were obtained in T3 by comparing to other treatments and control. Reduction in variety of days taken for initial male and feminine flowers, look of male and female flowers at lowest node, increase in number of male and female flowers and low male: female quantitative relation were recorded in treatment T₃ compare to different treatments.