葡萄灰霉病、青霉病、黑腐病是葡萄运输和贮藏期危害较严重的三种病害,如不有效防治,将给果农造成重大损失。 一、症状 1.灰霉病 果实近成熟期和贮藏期发病。先产生直径为2～3mm的淡褐色凹陷病斑,并很快扩展至整粒果实和果穗,引起发病。果柄感 Grape gray mold, penicillium and black rot are the three diseases which are seriously harmed during transportation and storage of grape. If not effectively controlled, they will cause heavy losses to the farmers. First, the symptoms 1. Botrytis fruit near maturity and storage of disease. The first to produce a diameter of 2 ~ 3mm dark brown lesions, and quickly spread to the whole fruit and ears, causing disease. Fruit handle