野燕麦也叫燕麦草、黑燕麦等,其分布广,密度大,适应性强,繁殖率高,危害严重,影响禾谷类作物的生产,是世界性的恶性杂草。我国有16个省区发生野燕麦,每年有几千万亩农田遭受其危害,损失粮食5亿多公斤。野燕麦发生较重的省(区)有青海、甘肃、宁夏、陕西、内蒙古、西藏、新疆、黑龙江以及四川、云南的部分山区。另外, Wild oats, also known as oats grass, black oats, etc., its wide distribution, density, adaptability, high reproductive rate, serious harm to the production of cereal crops is a worldwide malignant weeds. Wild oats occur in 16 provinces and autonomous regions in our country. Each year, tens of millions of mu of farmland suffer from it and more than 500 million kilograms of grain are lost. Wild oats occur in heavier provinces (regions) including Qinghai, Gansu, Ningxia, Shaanxi, Inner Mongolia, Tibet, Xinjiang, Heilongjiang and parts of Sichuan and Yunnan. In addition,