【摘要】 基于当前小麦恶性杂草日益严重，化学防控用药量大、防效差及药害频发的问题，在河北省馆陶县冬小麦—夏玉米常年连作种植区进行了麦田杂草分布现状普查，结果表明，共调查到杂草种类9种，数量最多的为节节麦，占比49.5%，为小麦田间杂草种群中优势种群。播娘蒿和节节麦2种杂草发生面积最大，为主要防治对象。雀麦、灰绿藜、麦瓶草、猪殃殃、荠菜5种杂草为局部区域发生。更多还原

【Abstract】 Based on the problems of increasingly serious malignant weeds in wheat, large amount of chemical control drugs,poor control effect and frequent occurrence of chemical damage, a general survey on the distribution of weeds in wheat fields was conducted in the perennial continuous cropping area of winter wheat summer corn in Guantao County, Hebei Province. The results showed that there were 9 kinds of weeds investigated, and the largest number of weeds was Aegilops tauschii, accounting for 49.5%, which was the dominant population of weeds in wheat fields. The occurrence area of two kinds of weeds, Desmodium scoparia and Aegilops tauschii, is the largest, and they are the main control objects. Five weeds,bromegrass, chenopodium glaucum, wheat pitcher grass, cleaver and shepherd’s purse,occur locally.更多还原