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草莓灰霉病病原菌在受害植物组织中越冬，当气温在 18℃～ 20℃时遇阴雨天气，或由于灌水过多、地膜上积水、畦上覆盖稻草、种植密度过大、生长过于繁茂等持续多湿环境，容易导致该病的发生，受害的果实、花、叶、茎呈褐色至深黑色的渍状病斑，严重时受害部腐烂，并产生白色
Strawberry gray mold pathogen in wintering plant tissue winter, when the temperature at 18 ℃ ~ 20 ℃ in case of rainy weather, or because of excessive irrigation, plastic film on the water, 畦 on the straw, planting density, overgrown growth continued Wet environment, easily lead to the occurrence of the disease, the victims of fruit, flowers, leaves, stems were brown to dark black stain-like lesions, severe damage to the Department of decay and produce white