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(接上期)四、华北麦区小麦主要病虫害全程综合防治技术1.主要防治对象山西、河北中南部麦区以麦蚜、红蜘蛛、吸浆虫、地下害虫、纹枯病、白粉病为主,兼顾条锈病、赤霉病和叶枯病;北部麦区以麦蚜、吸浆虫、地下害虫为主,兼顾红蜘蛛、叶锈病、白粉病、叶枯病。2.综合防治策略针对华北麦区不同生态区域、小麦不同生育阶段的重点
(Continued) Fourth, the main wheat and pests in North China wheat comprehensive prevention and control technology 1. The main control object Shanxi, central and southern Hebei wheat wheat aphids, red spider, midge, pests, sheath blight, powdery mildew-based, both Stripe rust, scab and leaf blight. Wheat aphid, midge, and underground pests are dominant in the northern wheat area, and spider mite, leaf rust, powdery mildew and leaf blight are also considered. 2. Comprehensive prevention and control strategies Focusing on the different ecological regions of North China wheat, the focus of different stages of wheat growth