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苹果树腐烂病是一种危害性很大的病害,我国苹果产区普遍发生。北京地区累计发病率亦在30～80%。病树长势衰弱,枝干残缺、甚至整株枯死,严重影响果树生产的正常发展。长期以来,国内外对苹果树腐烂病的防治,曾进行大量试验研究,取得不少成果。目前此病的防治原则主要是加强栽培管理,促进树势健壮,辅以树体喷药和清除菌源。对腐烂病疤采取涂抹保护剂的办法,虽然具有一定的治疗效果和应用价值,但始终不够理想。其中,砷平液、福美砷、托布津、升汞等药剂,除疗效有限、成本较高外,还存在残毒大、污染环
Apple tree rot disease is a great harm to the disease, widespread occurrence of apple producing areas in our country. The cumulative incidence in Beijing is also 30 ~ 80%. Sick trees grow weak, limbs incomplete, or even dead whole plant, seriously affecting the normal development of fruit trees. For a long time, at home and abroad on the prevention and treatment of apple tree rot disease, a large number of experimental studies have been made, and achieved a lot of results. At present the principle of prevention and treatment of the disease is mainly to strengthen cultivation and management, to promote strong stalks, supplemented by tree spray and remove bacteria sources. The decay of the scar to take protective agent approach, although with a certain therapeutic effect and application value, but always less than ideal. Among them, arsenic, Fumei arsenic, Topiazurin, mercuric chloride and other agents, in addition to limited efficacy and high cost, there are still large residues, pollution ring