防治苹果黄叶病应加强栽培管理,采取选择适当砧木,增施有机肥料,改良土壤,改善根系生长条件等综防措施。笔者对苹果黄叶病进行了叶面喷施、药剂与马粪混合施入树下、埋瓶输液三种处理,发现以埋瓶输液法效果最好。此法具有成本低、速度快、维持时间长、简单易行等优点。试验树为4年生苹果树,黄叶病普遍发生。 该种处理又做了不同药剂不同浓度和不同施药时间的试验。其中以0.3％硫酸亚铁溶液、0.3％硫酸亚铁溶液和0.2％尿 Prevention and treatment of apple yellow leaf disease should strengthen the cultivation and management, take the appropriate selection of rootstocks, organic fertilizer, soil improvement, improve root growth conditions and other comprehensive prevention measures. The author of the apple yellow leaf foliar spray, pesticide and horse manure mixed into the tree, buried infusion three kinds of treatment, found that the best method of buried infusion. This method has the advantages of low cost, high speed, long maintenance time and easy operation. The experimental tree is a 4-year-old apple tree and yellow leaf disease is common. This treatment has done different doses of different concentrations and different application time of the test. Among them are 0.3% ferrous sulfate solution, 0.3% ferrous sulfate solution and 0.2% urine