1.刮树皮。在果树的粗皮、翘皮及裂缝中,往往潜伏着梨小食心虫、山楂红蜘蛛、桃蚜、苹小卷叶蛾、枣黏虫、梨星毛虫等害虫。在早春果树萌芽前,彻底刮除枝干(尤其是树杈处)上的粗皮及剪锯口翘皮,可以消灭大量越冬害虫。刮皮的程 1. Bark bark Fruit trees in the bark, skins and cracks, often lurking pear borer, hawthorn spider mite, peach aphid, apple leaf roller moth, jujube worms, pear caterpillars and other pests. In the early spring before the bud sprouting, completely scrape off the branches (especially at the twig branch) on the rough skin and cut saw kerf Alice, you can eliminate a large number of overwintering pests. Skin-scraping process