小麦在生长过程中,常遭受多种病菌的侵袭,染病受害,发育失去正常,造成产量损失。在我省,小麦病害主要有锈病(条锈、秆锈、叶锈)、秆黑粉病、根腐病、黑颖病、黑穗病(腥黑穗、散黑穗),蜜穗病、白粉病、线虫病、赤霉病、叶枯病、秆枯病、全蚀病等。其中小麦秆黑粉病全省普遍发生,小麦锈病主要流行于水地,小麦黑颖病近年来危害日趋严重,小麦根腐病在水地区和春麦区均严重发生,小麦全蚀病在局 Wheat in the growth process, often suffer from a variety of bacteria invasion, disease victims, development loss of normal, resulting in loss of production. In our province, the main diseases of wheat are rust (stripe rust, stalk rust and leaf rust), stalk smut, root rot, stomatal disease, smut (flaky black spike, scattered black spike) Powdery mildew, nematode, scab, leaf blight, stem blight, eclipse and so on. Wheat powdery mildew is common throughout the province. Wheat rust is predominantly endemic to the water. In recent years, the disease has become more and more serious. Wheat root rot has seriously occurred in both water and spring wheat fields.