甘薯黑斑病、软腐病是我市甘薯贮藏期两大病害,不防治一般年损失达30-50％,1980年以后用多菌灵防治,才将损失控制在5％以内,但随着使用年限的增长,其防治效果有所削弱,为了探索新的防治药剂,特用美国默沙东公司生产的特克多试验,结果表明用该药1000-1500ppm的防效显著,完全可 Sweet potato black spot and soft rot are the two major diseases of sweet potato during storage in our city. Without any control, the general annual loss is 30-50%. After carbendazim control after 1980, the loss will be controlled within 5% Use of the growth of the years, its control effect weakened, in order to explore the new prevention and treatment agents, special use of the United States Merck production of Texaco test results show that the use of the drug 1000-1500ppm significant effect can be completely