灰霉病是对草莓开花后危害最严重的一种真菌病害,在露地和保护地中均可发病,保护地草莓发病尤为严重。因为灰霉病造成烂果一般可减产10%～30%,重者50%以上。早期可感染叶柄、叶片、花蕾和果柄,但以果实发病为主,在浆果成熟期症状最明显。 Botrytis cinerea is a fungal disease which is most harmful to strawberry after flowering. It can be found in both open field and protected field, and the incidence of strawberry in protected area is particularly serious. As a result of botrytis cinerea can generally reduce the yield of 10% to 30%, severe cases of more than 50%. Petiole, leaves, buds and fruit stalks could be infected in early stage. However, the main pathogenesis of the disease was the most obvious symptom in ripe berries.