灰霉病是草萄果实成熟阶段普遍发生、危害严重的上种病害。这种病发生时一般田块病果数占25％～35％以上，严重的超过50％，减产20％以上，草霉的商品性受到很大影响。现将其发生及防治措施介绍如下。一、症状草萄灰霉病是发生于叶、花、果梗和果实的真菌性病害，叶片和果梗发? Botrytis cinerea is a common occurrence in the ripening stage of the fruit of the grapes and endangered the above diseases. When the disease occurs, the number of general field disease accounts for more than 25% to 35%, a serious over 50%, a decrease of 20% or more, the commercial nature of grass mold is greatly affected. Now its occurrence and prevention measures are described below. First, the symptoms Gramineae gray mold occurs in the leaves, flowers, fruit stems and fruit fungal diseases, leaves and fruit stem hair?