随着气温升高,病虫害迅速发生蔓延,防治早春小麦病虫害刻不容缓,应以早控为主,力争控制在初发阶段。目前,主要的病虫害有小麦纹枯病、赤霉病、锈病、白粉病、蚜虫、吸浆虫、红蜘蛛等。早春小麦病虫害的防治应加强田间农业栽培管理,促进小麦生长健壮,同时辅以药剂喷雾。1小麦纹枯病小麦纹枯病发生普遍,一般病田的发病株率10%~30%,重病田块可达60%~80%,特别严重的田 With the temperature rising, the rapid spread of pests and diseases, prevention and control of early spring wheat pests and diseases without delay, should be based on early control, and strive to control the initial stage. At present, the main pests are wheat sheath blight, scab, rust, powdery mildew, aphids, midge, red spider and so on. Prevention and control of wheat pests and diseases in early spring should strengthen the field of agricultural cultivation and management, to promote robust wheat growth, supplemented by spray agent. 1 Wheat sheath blight Wheat sheath blight occurs generally, the incidence of disease in general 10% to 30%, severe disease up to 60% to 80%, particularly serious field