一、病害常见的小麦病害有锈病(条锈、叶锈、秆锈)、白粉病、纹枯病、全蚀病、赤霉病等。锈病防治指标为小麦返青期病叶率为5%,抽穗前后病叶率为10%,扬花灌浆期病秆率为1%~5%,到达指标后应立即防治。常用药剂为12.5%特普唑15~30克、15%粉锈宁50~60克、20%粉锈宁40~50克,15%粉锈宁50克+50%杀螟松30毫升,上述药剂667平方米对水30~50千克喷雾防治。 First, the disease Common diseases of wheat rust (rust, leaf rust, stalk rust), powdery mildew, sheath blight, eclipse disease, scab and so on. The control index of rust disease is that the leaf rate of wheat turning green is 5%, the rate of diseased leaves is 10% before heading and heading, and the disease rate is 1% ~ 5% at flowering stage. Commonly used agents are 12.5% ​​tetrozole 15 to 30 grams, 15% triadimefon 50 to 60 grams, 20% triadimefon 40 to 50 grams, 15% triadimefon 50 grams + 50% fenitrothion 30 ml, the agent 667 square meters of water 30 ~ 50 kg spray prevention and treatment.