使用简易棚膜避雨栽培　在葡萄萌发前盖好膜 ,江西省大约于 3月下旬盖膜。盖膜后 ,葡萄黑痘病发病率大大降低 ,第 1年降低 50 %以上 ,第 2年降低75% ,第 3年几乎没有病斑 (叶片、果面 )。盖膜还可防果实日灼 ,减少污染 ,减少果实成熟期灰霉病造成的损失 ,并减少喷药次数。在 Use a simple shed rain shelter cultivation in the grapes covered before the film, Jiangxi Province in late March cover film. After covering the membrane, the incidence of V. acnes was greatly reduced, decreasing by more than 50% in the first year, decreasing by 75% in the second year and hardly in the third year (leaf, fruit surface). Cover film also prevent fruit burns, reduce pollution, reduce fruit ripening gray mold caused by the loss, and reduce the number of spraying. in