西葫芦灰霉病是保护地西葫芦生产中危害性较大的一种病害。主要为害西葫芦的花、幼果、叶、茎和较大的果实。为害初期花和幼果的蒂部为水浸状,逐渐软化,表面密生灰绿色霉,致果实萎缩、腐烂。有时长出黑色菌核。西葫芦的灰霉病在连阴天多,低温高湿(湿度高于94％)、植株生长不良的情况下易发生。冬春季保护地 Zucchini Botrytis cinerea is a harmful pest in the protection of zucchini production. The main damage zucchini flowers, young fruit, leaves, stems and larger fruit. Harm at the initial pedicel flowers and young fruit-like, gradually softened, the surface gray-green moldy, resulting in fruit shrinkage, decay. Sometimes grow black sclerotia. Zucchini gray mold in the cloudy and cloudy, low temperature and humidity (humidity higher than 94%), poor growth of plants prone to occur. Winter and spring protection