野燕麦是世界性的难治草害之一。野燕麦属禾本科单子叶植物,其适应性强,繁殖量大,分蘖数高,难以防除,极易蔓延成灾,对青稞生产造成严重威胁。据调查:我县每年播种的青稞有45546余亩(1亩=1／15公顷,下同)左右,其中就有3万余亩青稞遭受野燕麦不同 Wild oats is one of the world’s refractory pests. Wild oats Po monocotyledonous plants, its adaptability, breeding large, high tillering number, difficult to control, easily spread disaster, causing serious threat to the production of barley. According to the survey, there are 45,546 mu of barley per year planted in our county (1 mu = 1/15 hectare, the same below), of which more than 30,000 mu of barley is subjected to wild oats