论文部分内容阅读
草莓灰霉病始发于开花后,能侵染花瓣、花萼、果实、果柄、叶片等,以果实受害最重。花器受害,先在花瓣、花萼处产生水渍状淡褐色斑点,后变暗褐色,重者导致花器腐烂,影响结果,轻者虽能结实,但易成僵果,高湿情况下,病部密生灰霉;果实受害,多在与湿土接触处的果面先生水溃状淡褐色斑块,以后病斑逐渐扩大并呈褐色,果实软化、腐败,在潮湿条件下,果面腐烂处密生灰霉。部分病果能引起果柄发病,并蔓延至花穗梗、
Strawberry gray mold occurs after flowering, can infect petals, calyx, fruit, stalk, leaves, etc., to the most affected victims of fruit. Flower damage, the first petals, calyx at the water stains like light brown spots, after the dark brown, heavy led to flower rot, affecting the results, although the light can be strong, but easy to become a stiff fruit, under high humidity, the disease Dense gray mold; fruit damage, mostly in contact with the wet soil, Mr. fruit surface water-like light brown patches of plaque, the lesion gradually expanded and brown, the fruit softened, corrupt, in wet conditions, fruit rot Gray mold. Part of the disease can cause stalk pathogenesis, and spread to spikes,