我国麦田杂草有200余种,常见且危害严重的有20余种。其中仅河北省小麦主产区每年发生危害的杂草主要有播娘蒿、荠菜、猪秧秧、繁缕、野附子、香附子、三棱草、藜、小蓟、麦瓶草、田旋花、苍耳、打碗花等。受到南北跨区收割作业的影响,近两年野燕麦、节节麦、雀麦等恶性禾本科杂 There are over 200 kinds of weeds in wheat field in our country, and there are more than 20 kinds of common and harmful ones. Among them, only the weeds in the major wheat producing areas of Hebei Province are mainly harmful to weeds such as Artemisia annua, shepherd’s purse, piglet seedling, chickweed, wild aconite, monkshood, rhizome, quinoa, thistle, Flowers, Xanthium, such as playing bowl. Affected by the north-south cross-cropping operations, the past two years, wild oats, nocturnal emission of wheat, such as mallard gramineous