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灰霉病为大棚草莓的最主要病害，产量损失为20％～30％，严重的超过50％，并严重影响草莓的品质。结合近两年实践，将此病的发生特点及主要防治方法介绍如下。一、症状主要为害果实，严重时整个花序及叶、叶柄均受侵染。烂果及病斑表面密生灰白色霉层，果实逐渐变软腐败。二、
Botrytis cinerea is the most important disease of strawberries in greenhouse, the yield loss is 20% ~ 30%, serious more than 50%, and seriously affects the quality of strawberry. Combined with the past two years of practice, the characteristics of the disease and the main prevention methods are described below. First, the main symptoms of fruit damage, severe inflorescence and the entire leaf, petiole are infected. Rotten fruit and lesion surface dense gray mildew layer, the fruit gradually become soft and corrupt. two,