灰霉病防治技术问答１０００８１北京市农林科学院植保所黄仲生１．为什么灰霉病不好防治呢？答原因是：（１）病菌侵入早，多从开败的花中侵入，造成花腐烂，再侵入柱头（番茄）、果实（如瓜条、番茄青果），引起脐部腐烂或有水渍状病斑，并生有灰色的霉。看到果实有病时... Gray mold disease control quiz 100081 Beijing Academy of Agriculture and Forestry Plant Protection Huangzhong Sheng 1. Why gray mold is not good prevention? The reason is: (1) bacteria invade early, and more from the failure of the flowers invade, resulting in flower decay, and then invade the stigma (tomato), fruits (such as melon, tomato green fruit), causing umbilical decay or water stain Lesions and gray molds. When you see the fruit is sick