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苹果树腐烂病是苹果产区重要病害。山东省烟台、昌潍地区部分果园发病甚重,历年来采用综合防治、刮治病斑及药剂治疗,取得一定效果。重病果园使用石硫合剂、面碱水、硫酸铜、“401”和代森铵等药剂治疗,其复发率较高,次年复发盛期调查,治愈率都在50%左右。单用内疗素或硫酸铜,周年治愈率分别为53%和46%。汞平液治疗效果虽好,但汞制剂残毒严重,已被禁用。为了解决生产上这一重要问题,经过六年
Apple tree rot disease is an important disease in apple producing areas. Some of the orchards in Yantai and Changwei areas of Shandong Province have a very serious incidence. Over the years, comprehensive prevention and treatment, cure of spots and agents have been used to achieve certain results. Severe orchards using lime sulfur mixture, surface alkaline water, copper sulfate, “401” and the generation of ammonium and other agents, the recurrence rate is higher, the next year recurrence peak survey, the cure rate is about 50%. With endothelin alone or copper sulfate, the annual cure rates were 53% and 46%, respectively. Mercury flat fluid treatment effect is good, but serious residuals of mercury preparations, has been banned. In order to solve this important issue of production, after six years