In September and mid-September (before harvest), 70% mancozeb 800-1000 times or methyl thiophanate 1000 times solution such as black spot disease and anthracnose. 1.8% avermectin 6000-8000 times or chlorfenapyr No. 3 2000 times liquid from late September to early November, scorpion, red spider, black star disease, ring disease and other trunks and main side branches tied with grass, trapping Overwintering red spiders, heartworms and other pests, artificially trapped cockroaches, the fruit is 600 times bubbling carbendazim for 2 minutes before storage, and dried to prevent disease during storage. The various pests and diseases that are dormant from the end of November to the end of February next year combine winter shears, cut off the pests and branches of the trees; clean up the orchards, clear the dead branches, fallen leaves and weeds in the garden into the orchard and burn them intensively; scrape off the old thick bark Scrape the pear rot, dry blight, dry rot disease, and burn off the scraped skin; the trunk is painted with white frost or pests.
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