The chemical treatments mentioned above were more significant to restrain spore from growth than to restrain mycelial, indicating that the control period should be during the spores spreading.

• 各种药剂对病原菌孢子萌发的抑菌作用明显优于其对菌丝生长的抑制作用，因此，防治应在子囊孢子飞散高峰期进行。