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灰霉病主要危害果实,大小果实都可受害。病果有手指大水渍状褐色病斑,扩大后病部凹陷转暗褐色,表面有灰色霉状物,有轮纹,叶柄,茎杆有时亦受密。灰霉病是由一利被称为灰葡萄孢霉的真菌寄生所引起的传染性病害。发生的主要原因是高温高湿,湿度在75％以上,温度在20℃以上最适合病菌
Botrytis cinerea harms the fruit, the size of the fruit can be harmed. Sickness has finger water stains brown spots, expand the Department of disease depression dark brown, gray mildew on the surface, a round pattern, petiole, stem sometimes secret. Botrytis is a contagious disease caused by a parasitic fungus known as Botrytis cinerea. The main reason is the occurrence of high temperature and humidity, humidity above 75%, the temperature is above 20 ℃ most suitable for bacteria