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一、发生及危害情况毒麦(Lolium temulentum L.)俗称黑麦子、小尾巴麦子、野麦子等,属禾本科恶性杂草,系国内植检对象。60年代末随墨巴系小麦品种的引进而传入文县,始在桥头、丹堡两个乡发生,1989年植检对象普查时,已蔓延到14个乡(镇)(全县共25个乡镇),面积7.1万亩,占小麦面积的56％,后经2年防除,现集中分布在桥头、屯寨、中寨、马营、堡子坝5个乡,面积1.85万亩。毒麦对农业生产,特别是对人、畜健康已造成直接或潜在威胁。毒麦种皮与糊粉层之间有一种“有毒
I. Occurrence and Harmful Situation Lolium temulentum L., commonly known as black wheat, small tail wheat, wild wheat, etc., belongs to the grass weeds, and is the object of domestic phytosanitary measures. In the late 1960s, the introduction of wheat varieties with the Mbabadas spread to Wen County and began in the two townships of Qiaotou and Danbao. When the phytosanitary survey was conducted in 1989, it had spread to 14 townships (townships) A township), an area of 71000 acres, accounting for 56% of the area of wheat, after 2 years of prevention and control, are concentrated in the bridgehead, Tunzhai, Zhongzhai, Ma Ying, Baozi dam 5 townships, an area of 18500 acres. Poisonous wheat has posed a direct or potential threat to agricultural production, especially to the health of people and livestock. Toxic wheat seed coat and aleurone layer between a "toxic