寒露过后,小麦主产区已陆续进入整地和播种冬小麦的季节,由于小麦田间草相复杂以及抗性杂草的不断出现,小麦田间杂草防除的读者反馈也日趋增多。据了解,麦田抗性杂草的发生推高了除草剂的使用成本,专家建议麦田杂草应该抓住幼苗期,抓好小麦冬前期的用药,密切关注小麦返青后,杂草出齐及时用药,抓准用药时间,提高防治效率。河南省植保站推广研究员吕印谱介绍说,河南地区的草相比较复杂,加上各地区地形地貌的不同,田间杂草的 After the cold dew, the main wheat producing areas have gradually entered the season of land preparation and sowing of winter wheat. Due to the complexity of the hops and the emergence of resistant weeds, feedback from weeds control in the wheat field is also increasing. It is understood that the emergence of wheat-resistant weed pushed the cost of the use of herbicides, the experts suggested that wheat weeds should seize the seedling stage, do a good job in the winter wheat medication, pay close attention to the wheat back to green, weed timely Qi medication , Grasping the medication time, improve the efficiency of prevention and treatment. Plant protection station in Henan Province to promote researchers Lu Yinpu introduced that the grass in Henan is relatively complex, with the topography of the different regions of the field of weeds