1.小红点病是斑点落叶病菌侵染果面,使果实表面形成小红点。苹果摘袋后,果皮细嫩,对病害抗性低,感病机率更大。因此,防治小红点病,应以杀灭斑点落叶病菌的水剂杀菌剂为好,不提倡喷粉剂杀菌剂,以免污染果面,影响上色。同时,重视及加大套袋之前对斑点 1. Little red dot disease is speckle diseased leaf surface infection, so that the formation of small red spots on the surface of the fruit. Apple picks bags, delicate skin, low resistance to disease, a greater chance of infection. Therefore, the prevention and treatment of red dot disease should be to kill speckle germs bactericide as a good, do not advocate dusting fungicides, so as not to contaminate the fruit surface, affecting the color. At the same time, pay attention to and increase the bagging before the spot