Vol. 10, Issue 7 (2021)

Author(s):
Deepa Adiveppa Holer, N Basavaraja, CN Hanchinamani, Sandhyarani Nishani, D Satish and DS Ambika

Abstract:
A field trail entitled “effect of growth regulators and organic promoters on graft success and growth of bitter gourd grafted on pumpkin rootstock was carried out at field of vegetable science unit kittur rani Channamma College of horticulture Arabhavi, Belagavi district Karnataka. In the present study bitter gourd scions were treated with different growth regulators and organic promoters at different concentrations and grafted on pumpkin rootstock using wedge grafting method and this experiment was conducted during two cropping seasons of kharif (2018-19) and rabi (2019-20). The study revealed that the significant and maximum percentage of graft success was observed in bitter gourd scions treated with IBA @ 50 ppm and grafted on pumpkin rootstock, maximum vine length and number of nodes per graft per vine in bitter gourd scions treated with GA₃ @ 25 ppm and final girth of graft union in bitter gourd scions treated with GA₃ @ 50 ppm respectively during both kharif (2018-19) and rabi (2019-20) seasons.