How to Control Bitter Melon Maggots

1, seed selection and seed disinfection. Seeds should be disease-free fruits to reduce seeds. Soak the seeds in warm water at 52℃~56℃ for 25~30 minutes before sowing, and the sterilization effect is good.

2. Pay attention to the choice of ground, high ditch and deep ditch. High temperature and high humidity are favorable conditions for the occurrence of anthracnose, and higher soil should be selected for the cultivation of bitter gourd. The ditch should be deep, pay attention to drainage, properly plant closely, dredge old leaves and diseased leaves, so as to facilitate ventilation, change the microclimate in the field and reduce the humidity in the field. In addition, plants should be properly fertilized to thrive and increase their disease resistance.

3. Drug control. Bitter gourd is easy to get sick in young fruit period and high temperature and rainy weather. To prevent continuous spraying, 50% carbendazim 500 times solution 500 times solution 1 time, 7 ~ 10 days continuously, or 75% chlorothalonil 600 times solution 800 times solution, or mixed with bordeaux solution1:kloc-0/5:/kloc.