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菌核病可为害蔬菜幼苗和成株,近年来保护地蔬菜菌核病普遍发生,为害较重,已成为保护地蔬菜一重大病害。秋冬和早春是保护地蔬菜菌核病的发生和流行期。一、症状识别黄瓜菌核病主要为害黄瓜果实和茎蔓。果实染病多在残花部,先呈水渍状腐烂,并长出白色菌丝,后菌丝纠结成黑色菌核。茎蔓染病初在近地面的茎部或主侧枝分权处,产生褪色水浸状斑,后逐渐扩大呈淡
Sclerotinia can cause damage to vegetable seedlings and adult plants. In recent years, common occurrence of sclerotinia in vegetables in protected areas has been severely harmed and has become a serious disease of protected vegetables. Autumn and winter and early spring is the occurrence and prevalence of sclerotinia in protected areas. First, the symptoms identified Cucumber sclerotinia main cucumber fruit damage and stem vine. Fruit disease mostly in the residual flower department, the first water-like rot, and grow white mycelium, the mycelium tangled black sclerotia. Stems at the beginning of the disease in the near-surface stems or the main collateral decentralization, resulting in discoloration flooding-like spots, and then gradually expand the light