近年来,随着保护地草莓栽培面积逐渐扩大,灰霉病成为保护地草莓生产过程中的严重病害。此病在田间和贮运过程均可发生危害,致使大量草莓腐烂,造成重大经济损失。 一、症状 灰霉病多在草莓开花后发生,以果实受害最重。果实受害,先在果面上产生水渍状淡褐色斑块,以后变成暗褐色,使果实组织变软腐 In recent years, with the gradual expansion of protected strawberry cultivation area, gray mold has become a serious disease in the strawberry production process. The disease in the field and storage process can occur harm, resulting in a large number of strawberry decay, resulting in significant economic losses. First, the symptoms Botrytis occurs after the strawberry blossom, the fruit hardest hit. Fruit damage, first in the fruit surface water-like light brown patches, dark brown later, so soft and rotten fruit tissue