The autumnal pest control of apple trees is of vital importance. Diseases mainly include ringworm disease, anthrax, and rot disease; insect pests mainly include peach borer, boat-shaped caterpillar, gold-grained moth, and big leafhopper. The rot disease is now at the peak of the second (autumn) incidence in the whole year, and must be promptly scraped off and coated with drugs for prevention and treatment. For other pests and diseases, we must combine the local pest situation and disease conditions, do a good job of comprehensive prevention and control, and improve the high quality fruit rate.
It is best to use the Bordeaux mixture to prevent and control the disease. Insecticides such as pyrethroids, avermectin, chlorpyrifos, and Keben should be used for pest control. Note that Bordeaux mixture cannot be mixed with other pesticides.
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