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小麦白粉病近年来在江苏、浙江、湖北、河南、山东、贵州、四川、辽宁(南部)、新疆等省、区普遍发生,为害日趋严重,已是当前小麦生产上的重要病害。据全国20个省市的统计,1982年发生面积达六千多万亩,超过小麦其他病害的发生面积,给小麦造成很大损失。药剂防治如施药得当可以收到控制效果,但在如此大面积上普遍施药,困难很多。应用品种抗病性防止病害,是既经济又简便的有效措施。近年各地在小麦品种抗白粉病方面做了许多工作,给今后
In recent years, wheat powdery mildew occurs frequently in Jiangsu, Zhejiang, Hubei, Henan, Shandong, Guizhou, Sichuan, Liaoning (southern), Xinjiang and other provinces and regions. The harm is becoming more and more serious. It is now an important disease in wheat production. According to the statistics of 20 provinces and cities in the country, an area of more than 60 million mu occurred in 1982, surpassing that of other diseases of wheat and caused a great loss to wheat. Pharmacy control, such as properly administered can receive the control effect, but in such a large area of universal application, a lot of difficulties. Disease resistance of varieties of application Disease prevention is both economical and simple and effective measures. In recent years, many wheat powdery mildew resistant areas have done a lot of work for the future