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玉米瘤黑粉病是危害玉米的一种重要病害,多年来在各地都有发生,一般发病地块可造成10%~20%的损失,严重的可造成50%以上的损失甚至接近绝产。如2014年山东省宁阳县发病面积达到1.2万余亩,其中严重地块超过0.1万亩。甘肃省平凉市植保科技人员通过试验表明:20%苯醚甲环唑水分散粒剂、80%戊唑醇水分散粒剂、25%丙环唑乳油、20%三唑酮乳油等4种三唑类
Corn powdery mildew is an important disease that endangers corn and has been happening all over the country for many years. The general incidence of the disease can cause 10% -20% loss, serious damage can cause more than 50% loss or even close to absolute yield. For example, in 2014, the incidence of the disease in Ningyang County, Shandong Province, reached over 12,000 mu, of which more than 10,000 mu were seriously affected. Pingliang City, Gansu Province, plant protection scientists through experiments showed that: 20% difenoconazole water dispersible granules, 80% tebuconazole water dispersible granules, 25% propiconazole EC, 20% triadimefon EC and other four kinds of three Azoles