梨树冬天刮皮,是梨树冬季管理的一项重要措施。能铲除藏在粗皮裂缝中的虫卵、虫蛹和幼虫,减少来年病虫的危害,对提高梨园产量极为重要。具体方法如下: 1.刮皮对象;凡是栽植15年以上的梨树,因主要枝干,皮层发生不同程度的裂缝,易藏虫卵及幼虫,应及时刮皮。 2.刮皮时间:进入冬季就可以开始刮皮,一直可以持续到早春梨树发芽之前。梨树开始发芽,就须停止刮皮。因为这段 Pear tree scraping the skin in winter, pear tree winter management is an important measure. Can eradicate eggs hidden in the bark cracks, pupae and larvae, reduce the hazards of pests in the coming year, pear yield is extremely important. Specific methods are as follows: 1. Shaving skin objects; all pear trees planted more than 15 years, due to the main branches, the cortex in varying degrees of cracks, easy to hide eggs and larvae, should be promptly skin scraping. 2. Skin scraping time: into the winter you can start skin scraping, has been able to continue until the early spring before the pear sprout. Pear tree began to germinate, we must stop scraping the skin. Because of this