苹果树腐烂病及其防治孙贵波腐烂病又称烂皮病或臭皮病，是我国苹果产区最严重的一种病害，在三北地区尤为普遍，有的地区发病率高达９０％，不但造成苹果树势减弱，产量降低，甚至导致树体死亡。一、发病条件和症状苹果树腐烂病是由苹果腐皮壳菌寄生引起的传染性病害，这... Apple tree rot disease and its prevention and treatment Sun Gui Bo rot disease, also known as rotten or bitter skin disease, is one of the most serious diseases in apple producing areas in China, especially in the Three North regions, some areas incidence as high as 90%, not only caused Apple trees weaken, yield decreases, and even lead to death of the tree. First, the incidence of conditions and symptoms Apple tree rot disease is caused by parasites of apple caecilis parasitic diseases, this ...