小麦病虫草害防治,主要抓住三个关键时期:整地播种期,主要通过使用包衣种子或药剂拌种控制地下害虫和种传、土传病害;早春麦苗返青期,选用适宜的除草剂和药剂,重点控制麦田杂草、麦蜘蛛及纹枯病的危害;小麦中后期主要针对小麦白粉病、条锈病、赤霉病、麦穗蚜、吸浆虫等,及时进行化学防治。 Wheat pest and weed control, mainly to seize the three key period: land preparation sowing period, mainly through the use of coated seeds or drug seed dressing control of underground pests and germ-borne, soil-borne diseases; early spring wheat seedling greening period, the selection of appropriate herbicides and Pesticides, wheat and spiders and sheath blight disease focus on the control of weeds, wheat mid-and late mainly against wheat powdery mildew, stripe rust, scab, wheat aphid, midge, etc. timely chemical control.