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番茄灰霉病是早春保护地番茄的重要病害,诱发因素主要是早春低温高湿少光照,以及轮作、通风不当等。其特点是发病早,传播快,危害重,防治难。田间症状为:残留的柱头或花瓣多先被侵染,后向果面、果柄扩展,致使果皮呈灰白色,软腐,病部长出大量灰绿色霉层,而后失水僵化;叶片染病多?
Botrytis cinerea is an important disease of tomato in early spring protected areas. The predisposing factors are mainly low temperature, high humidity and low light in early spring, as well as rotations and improper ventilation. It is characterized by early onset, rapid transmission, endangered, prevention and treatment difficult. Field symptoms: residual stigma or petal first infected, after the fruit surface, stem extension, resulting in peel was gray, soft rot, disease Department grow a large number of gray mold layer, and then water loss rigid; leaf disease and more?