我们从1982年开始采用病斑划道涂抹“砷渗剂”的方法防治腐烂病,收到了良好的效果。陵川县硔池大队301株苹果树,有40株发病,总病斑107块,经涂治“砷渗剂”三次后,治愈106块,治愈率99％;城内大队有苹果树416株,发病294株,占70.6％, We started from 1982 to apply spotting of “arsenic penetration agent” method to prevent rot disease, and received good results. Lingchuan County Mianchi brigade 301 apple trees, 40 strains, the total lesion 107, after Tuzhi “arsenic penetration agent” three times, the cure 106, the cure rate of 99%; city brigade has 416 apple trees, The incidence of 294 strains, accounting for 70.6%