韭菜灰霉病的综合防治韭菜灰霉病，是拱棚韭菜栽培中常发生的一种真菌病害。中温高湿是发病的主要条件，发病适温１５～２１℃，湿度９５％以上，光照不足时，更有利于发病。韭菜受害后叶片枯死而减产或失去、降低食用价值，严重影响产量、品质和商品性。防治韭菜灰霉病的... Leek gray mold disease prevention and treatment of chives Botrytis cinerea is a fungus disease often occurs in the cultivation of leeks shed. Temperature and humidity are the main conditions of onset, the incidence of appropriate temperature 15 ~ 21 ℃, humidity 95% or more, when the light is insufficient, more conducive to the disease. Leek died after the withered leaves and reduce production or loss, reduce food value, seriously affecting the yield, quality and merchandise. Prevention and treatment of leek gray mold ...