Bottle gourd female buds all dropping after blooming, and the suggestion to hand pollinate is not possible because it has a high

Question

trellis. And somebody suggested the dropping is because of fruit fly. Even a fruit trap didn’t work. So, solution?
Hand pollination is not possible and on suggestion, I applied boron and used fruit fly traps without success. What should be done to arrest fruit dropping?

Answer 1

You could spray the vine with sugar water to attract bees. This may get you some pollination!