Question: query regarding control of sucking pest in ridge gourd.  
Answer: spray neem oil 5 ml/liter of water or neemicin 2ml/liter of water 3 times at 5 days interval  in the evening time in the absence of rain. for improving the growth of the plants spray npk 19:19:19 10 gram/liter of water 2 times at 15 days interval after 30 days of sowing.