番茄灰霉病是近些年来伴随着保护地栽培而发生的一种重要病害,一般造成损失20％～30％。严重年份甚至造成绝产。对番茄生产威胁极大。 番茄灰霉病多数先侵害青果上残留的花瓣、花托及残存的柱头,进而向果实内蔓延,被害部分,果皮呈灰白色水侵状软腐,后期表面生灰褐色霉层、青果不论大小都可以被害,第一穗果受害最重。叶片被害多从叶尖端开始出现淡黄褐色病斑, Botrytis cinerea is an important disease that occurs with the cultivation of protected areas in recent years, generally causing 20% ​​to 30% loss. Serious years or even cause junk. Great threat to tomato production. Botrytis cinerea most of the first violation of green on the remaining petals, torches and stigma remaining, and then spread to the fruit, the victim part of the skin was gray water invaded soft rot, the surface of the gray brown mildew, green fruit regardless of size Victims, the first ear most affected. More leaf damage from the tip of the leaves began to appear light brown spots,