questions: query regarding insect infestation in spine gourd. 
 answers: for spine gourd and ash gourd: at first spray rogor/malathion 2ml/liter of water 3 times at 5 days interval in the evening time in the absence of rain. after completion of three sprays of isecticide spray npk 19:19:19 10 gram/liter of water 2 times at 15 days interval in the evening time. after completion of this. please spray one vitamins like- mohaphol/sagorika/biovita 2 ml/liter of water at 15 days interval continously up to the end of the season.