番茄灰霉病是大棚栽培番茄的重要病害。病菌主要侵害果实,侵染由残留的花或花托向果实或果柄扩展,使果皮成为灰白色水渍状,变软腐烂;以后在果面、花萼及果柄上出现大量灰褐色霉层,果实失水僵化。灰霉病也危害茎叶,成株病斑始见于叶片,由边缘向里呈“V”字型发展,并产生深浅相间的轮纹,表面着生少量灰霉,叶片最后枯死。 Botrytis cinerea is an important disease in greenhouse cultivation tomato. Bacteria mainly affect the fruit, infested by the remaining flowers or torus to the fruit or stalk extension, so that the skin becomes gray water-like, soft rot; later, in the fruit surface, calyx and stalk a lot of brown moldy layer, fruit Loss of water rigidity. Botrytis also endanger stems and leaves, adult plant lesions found in the leaves, from the edge was in the “V” shape development, and produce shades of white and round, with a small amount of gray mold on the surface, leaves the last dead.