苹果轮纹病又称粗皮病,是苹果重要病害之一,主要危害枝干和果实。枝干受害后表皮十分粗糙,受害严重时大大削弱树势;果实受害后腐烂多汁,失水变为黑色僵果,使果实失去商品价值,给果农造成重大经济损失。为提高苹果轮纹病药剂防治效果,并筛选出“无公害”高效杀菌剂,我们 Apple whelk, also known as skin disease, is one of the important diseases of apple, the main damage to the branches and fruits. After the injury of the branches, the epidermis is very rough, which greatly weakens the tree vigor when the victim is severely damaged. After the fruit is damaged, its decay is juicy and water loss turns into black stiff fruit, causing the fruit to lose the commodity value and causing serious economic losses to the fruit growers. In order to improve the control effect of apple rotifers and to screen out the “pollution-free” efficient bactericide, we