Symptoms: Mainly endanger flowers, fruits, leaves. There is a clear layer of gray mold on the surface. Control methods: 1, timely cleaning film, enhance light transmission, enhance light. 1, timely cleaning film, enhance light transmission, enhance light. 2, timely removal of diseased fruit, diseased leaves, out of the shed, to prevent spread of infection, less infectious sources. 3, medication, before colonization with 50% speed Keling or 70% Jiatu spray tomato seedlings, so that no bacteria into the shed. Anti Bird Netting,Anti Bird Net For Balcony,Anti Pigeon Net,Anti Bird Mesh Changzhou Satidi Import and Export Co., Ltd. , https://www.guanjiejts.com