“要吃梨,刮树皮”。冬季刮掉梨树老皮,能有效地消灭树皮内越冬的病虫害,降低病虫基数,减少来年的病虫发生量,提高梨树产量。梨树冬季刮皮技术要点有三:第一是掌握刮皮重点。一般树龄大,主干粗、 “Eat pears, scratch the bark.” Scraping away the old skin of pear tree in winter can effectively eliminate overwintering pests and diseases in the bark, reduce the number of pests and insect pests, reduce the incidence of pests and diseases in the coming year, and increase the yield of pear trees. Pear winter curettage techniques are three points: The first is to grasp the focus of scraping skin. General age, large trunk,