1.纸袋种类的选择葡萄套袋纸袋的选择应根据园内树势状况、生产目标、经济能力合理选择。由于我国葡萄生产以内销为主,因此宜选择质量可靠的国产双层袋,尽量少用或不用塑膜袋和自制报纸袋。2.套袋时期葡萄一般在生理落果(坐果后15～20天)后进行套袋,即果粒长到豆粒大小时经疏粒 1. The choice of paper bag Grape bagging paper bag selection should be based on the state of the tree shrubs in the park, production goals, reasonable economic capacity. As domestic grape-based production in our country, it is appropriate to choose a reliable double-layer bag, plastic film bags as little as possible or not homemade newspaper bags. 2. Bagging grape grapes in general during physiological decoction (15 to 20 days after fruit set) bagging, that is, when the length of the fruit to the size of beans by tablets