一、葡萄套袋的优点葡萄果穗套袋能有效地防止或减轻黑痘病、白腐病、炭疽病和日灼病的感染和危害(尤其是炭疽病);并能有效地防止或减轻各种害虫,如蜂、蝇、蚊、粉蚧、蓟马、金龟子、吸果夜蛾和鸟等危害果穗;能有效地避免或减轻果实药物污染和残毒积累;能促进果皮光洁细嫩,果粉浓厚,果实美观,提高果色鲜艳度和商品性,防止裂果,达到绿色无公害目的。不足之处是由于袋内光照条件受到限制,着色稍慢,成熟期要推迟5—7天,较 First, the advantages of grape bagging Grapes ear bagging can effectively prevent or alleviate the infection and harm of anthracnose, white rot, anthrax and sunburn (especially anthrax); and can effectively prevent or reduce the Pests, such as bees, flies, mosquitoes, mealybugs, thrips, beetles, fruit-bearing moths and birds and other harmful spikes; can effectively prevent or reduce fruit drug contamination and residual drug accumulation; can promote smooth and delicate peel, Beautiful fruit, improve the color of fresh fruit and product, to prevent cracking fruit, to achieve the purpose of pollution-free green. Deficiency is due to bag lighting conditions are limited, coloring a little slow, maturity to be postponed 5-7 days, more