How to prevent and control the pests and diseases of pumpkins
2020-06-16 11:24:02
For viral diseases, prevention and control of pests should be done to cut off the spread of the disease. In the early stage of disease, 20% of virus A wettable powder and 0.05% of zinc sulfate can be used to spray 50kg of water, and also can be treated with antitoxic agent No. 1 250 times. Powdery mildew can be used to control 400 times the powder must be clear spray, every 7 to 10 days spray 1, even spray 2 to 3 times, can also be used sulfur smoke control. Gray mold can be fumigated with 10% fast-king smoke agent or puffed with WP 1000 times liquid spray, sprayed every 7-10 days, and even sprayed 2 or 3 times. For aphids and whitefly, it can be sprayed with 50% of malathion EC 1000x or 4 kg of dry sawdust, 4 kg of ammonium nitrate, 4 kg of dichlorvos, and 1 kg of vitiligo.
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