西葫芦灰霉病是一种真菌病害，危害西葫芦的茎、叶、花及果实，以危害幼瓜为主。病菌从雌花侵入，花和幼果的蒂部初呈水浸状，逐渐软化。表面生灰色霉层，果实腐烂，有时长出黑色菌核。灰霉病茵以菌核或菌丝体在土壤中越冬，在低温高湿条件下易发生，温室和大棚春荐栽培中，发? Botrytis cinerea Botrytis cinerea is a fungal disease, endanger the stems, leaves, flowers and fruits of zucchini, to harm the main melon. Germs invaded from the female flowers, flowers and young fruit pedicle was initially flooded, and gradually softened. Gray moldy surface layer, the fruit decay, and sometimes grow black sclerotia. Botrytis cinerea mycelium or mycelium overwinter in the soil, prone to occur in the conditions of low temperature and humidity, greenhouse and greenhouse spring recommended cultivation, hair?