毒麦是一种有毒的恶性杂草,它的分蘖多、繁殖力强,防碍小麦的生长发育,影响产量和质量。同时,毒麦中含有毒麦碱,人、畜吃了都会中毒。一、识别和发生毒麦每年繁殖一次,以种子繁殖。小麦种子里带有毒麦或上一年毒麦籽粒脱落在土内,田间就会生长毒麦。毒麦形状象小麦,幼苗基部紫红色,拔节后转变成绿色,茎部表皮粗糙。一般生长在肥田里的毒麦比小麦矮,瘦田里的比小麦高。叶片狭 Poisonous wheat is a toxic and toxic weed, its tiller and more fertility, hinder the growth and development of wheat, affecting yield and quality. At the same time, poisonous wheat contains toxic alabaster, people, livestock will be poisoned. First, identification and occurrence of toxic wheat breeding once a year to seed breeding. Wheat seeds with poisonous wheat or poisoned wheat seeds fell off in the soil, the field will grow toxic wheat. Poisonous wheat shaped like wheat, seedling base fuchsine, after jointing turned green, stem epidermis rough. Poisonous wheat, which grows generally in fertilizer fields, is shorter than wheat and leaden more than wheat. Narrow leaves