为寻求防治腐烂病的有效方法,自1980年开始,在我县65个果园,进行了福美砷和石硫合剂两种药剂,4种不同浓度的防病效果对比试验。初步看出:1、3月下～4月上旬苹果树萌芽前,对全树喷洒1次50～100倍40%福美砷液,能有效地控制苹果腐烂病的发生和发展.尤其对减轻旧病疤的再次侵染和病斑的扩展, In order to find an effective way to prevent rot disease, in the 65 orchards in our county since 1980, the two kinds of agents Fumei Arsenic and Lime Sulfate, four different concentrations of anti-disease effect comparison test were carried out. Preliminary findings: 1, 3 months ~ April early April before the apple tree sprout, the whole tree spraying once 50 to 100 times 40% thiram, can effectively control the occurrence and development of apple rot disease, especially for reducing the old disease Scar re-infection and lesion expansion,