毒麦俗称“野麦”,是一种恶性杂草。它含有毒麦碱,能麻痹动物的中枢神经,人吃了含4%毒麦的面粉,会出现头晕、呕吐、痉挛等症状。毒麦植株的特点是:幼苗茎部紫红色,以后变绿色。成株茎秆光滑坚硬不易倒伏,叶片窄而薄,叶背光滑,叶面粗糙,叶脉明显。穗形扁而狭长, Commonly known as poisonous wheat “wild wheat”, is a vicious weed. It contains toxic alabaster, can paralyze the animal’s central nervous system, people eat 4% toxic wheat flour, there will be dizziness, vomiting, cramps and other symptoms. The characteristics of the poisonous wheat plant are: seedling stem purple, later green. The stalks of adult plants are hard and hard to be lifted, the leaves are narrow and thin, the leaves are smooth, the leaves are rough and the veins are obvious. Spike flat and narrow,