从1980年开始,我们试用黄泥封闭苹果树腐烂病疤,获得了较好的防治效果.治疗效果在农场二队,选盛果期“国光”16棵树上的18块病疤(树皮已全溃烂).分别进行4种处理:①用快刀划条深至木质部(划条面积要超过病疤范围),涂30倍的福美砷药液,药液干后用福美砷100倍药液混合黄泥封闭病疤(药泥厚1.5寸), Since 1980, we try to use Huang Nai closed apple tree rot disease, get better prevention and treatment effect in the farm two teams, select Sheng fruit period “Guoguang” 16 trees on the 18 lesions (bark Have been full ulceration.) Were treated four kinds: ① with a quick knife to the Ministry of xylem stripe (scribe area to exceed the scope of the scar), coated with 30 times the Fume Arsenic solution, the liquid dry Fumei arsenic 100 times liquid Mixed yellow mud closed disease scar (drug thickness 1.5 inches),