Question: asking about the cercospora leaf spot of bottle gourd.

Answer: apply saaf or ridomil gold @ 2ml/ l of water , 3 spray at 5 days interval.
apply npk 20 all @ 5gm/ l of water , 2 spray at 15 days interval for folier spray .
bottle gourd planting distance= 1.5 m*12m ( row to row), 1m*1.5 m ( plant to plant ).