苹果轮纹病是黄河故道地区苹果重要病害，尤其是大面积栽植富士品种以来，发生日趋严重。苹果轮纹病不仅危害枝干，还危害果实，有时田间病果率达７０％～８０％，严重者造成树势衰弱乃至死亡，造成巨大经济损失。１９８３年以来，我们曾采取多种方法进行防治，但效果均不理想 Apple ring disease is an important disease of the apple in the old course of the Yellow River, especially since the large-scale cultivation of Fuji varieties has become more and more serious. Apple ring disease not only endanger the branches, but also endanger the fruit, and sometimes disease rate of 70% to 80% in the field, causing severe declines or even death in severe cases, causing huge economic losses. Since 1983, we have taken a variety of methods to combat it, but the results are not satisfactory