果实树上套袋是一种保护性栽培措施,套袋后不仅可以防止蛀果害虫以及病菌的侵染,而且可以避免喷药后农药对果实的污染。还可避免枝叶摆动擦伤果面和风沙、雨雾、冰雹、烈日对果皮的刺激,使果实色泽柔和、果面洁净。苹果上套袋还可以防止裂果和果锈的发生。然而,目前在我国并未把套袋作为一项保护性栽培措施。随 Fruit tree bagging is a protective cultivation measures, after bagging can not only prevent boring pests and bacteria infection, but also to avoid pesticide pesticide spray on the fruits of pollution. Also avoid the foliage swing scratched fruit and sand, rain and fog, hail, the sun on the peel stimulus, so that fruit color and soft, clean fruit surface. Apple bagging can also prevent the occurrence of crack fruit and fruit rust. However, bagging is not currently used as a protective cultivation measure in our country. With