1984年在苹果炭疽病较重的三口农场,用双效灵进行防治试验,试材为20年生易染病品种国光,单株小区,重复3次,共5个处理。结果表明,双效灵对苹果炭疽病有良好的防治效果。240倍波尔多液和800倍退菌特轮喷7次,防效为77.4%;150倍双效灵喷布4次的防效为99.6%;200倍双效灵喷 1984 in apple heavier three farms, with double effective prevention and control of the test, the test material for the 20-year-old varieties of disease Guoguang, single plant, repeated 3 times, a total of 5 treatment. The results showed that Shuangxiling had good control effect on apple anthracnose. 240 times the Bordeaux mixture and 800 times back to the special round of spray 7 times, the anti-effect was 77.4%; 150 times double effect spurt 4 times the control effect was 99.6%; 200 times Double Effect Spray