Answer: Prevention and control methods: 1. Cultivation management. Insufficient nutrition, weak tree vigor. It is necessary to increase the tree potential, increase organic fertilizers, rational fruit retention, and strengthen management. 2, curettage class. From March to March, peach branches should be inspected frequently. If lesions are found, they should be promptly scraped. Carefully and thoroughly scrape the skin of the discolored skin, and then apply general protective agent for tree protection. 3. Protect cuts after pruning in winter, and timely apply anti-corrosion film to cut wounds to protect wound tissue from healing and prevent infection by pathogens. The litter was completely removed and concentrated and burned. The general garden was sprayed with general tree guards to disinfect and sterilize and reduce the source of infection.
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