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近年来,我县小麦纹枯病(Rhizoctonia cerealis)普遍发生,危害逐年加重。小麦在不同发育阶段受到纹枯病菌侵染后,分别造成烂芽、病苗死苗、花杆烂茎、枯孕穗、枯白穗等症状,严重地影响了小麦的产量和质量。1991年我们在夏邑县应用农抗120防治小麦纹枯病取得了较好的防治效果(附表)。 于3月25日和4月5日在麦田各喷药液一次,结果喷施农抗120的100倍和200倍液,对小麦纹枯病的防效分别为79.55％和71.24％。此外,农抗120还可以兼防小麦白粉病。
In recent years, my county wheat sheath blight (Rhizoctonia cerealis) occurs generally, the harm increases year by year. Wheat in different stages of development by R. solani infection, respectively, caused by rotten buds, disease seedling seedlings, rotten stems, blight, withered white ear and other symptoms, seriously affecting the yield and quality of wheat. In 1991 we Xia Nianxian application of agricultural anti-120 control of wheat sheath blight made better control effect (Schedule). On March 25 and April 5, the spray liquid was sprayed once in the wheat fields. The results showed that the control efficacy against wheat sheath blight was 79.55% and 71.24%, respectively. In addition, agricultural anti-120 can also prevent wheat powdery mildew.