１灰霉病是危害草莓果实的重要病害，同时也侵染花瓣、果梗、叶片、叶柄等处，每年多在收获期发病。开始，果面生油浸状淡褐色小斑点，以后急速扩大，使整个浆果软化。其上密生灰色霉粉状物。未成熟的果实，可以呈现干腐状态。果梗、叶柄被侵染后，呈现暗褐色长形病斑，... 1 Botrytis cinerea is an important disease that endangers strawberry fruit, but also infects petals, fruit stems, leaves, petioles and other places, more incidence in the harvest each year. Beginning, the fruit surface is soaked with light brown spots and then rapidly expand to soften the whole berry. Gray moldy powder on the gray matter. Immature fruit, can show dry rot state. Fruiting pedicel, petiole is infected, showing dark brown long lesions, ...