野燕麦(Arena fatua L.)是新疆维吾尔自治区农田的恶性杂草,分布广、为害重,是小麦生产上的大敌,一般减产30％以上。除小麦外,还危害油菜、向日葵、豆类和瓜类等作物。为探索其发生规律及有效的防治方法,我们从1980—1982年进行了初步的研究,其结果如下: 一、分布和危害野燕麦在美国、加拿大、澳大利亚、新西兰、英国、苏联、中东和北非等地的小麦产区均有分布;在中国的陕西、甘肃、宁夏、青海、新疆、西藏、内蒙、河北、河南和辽宁等省(区),发生面积达6000万亩以上,每年损失小麦20亿斤。新疆仅小麦田发生受害面积达350 Wild fat oats (Arena fatua L.) is a malignant weed in the farmlands of Xinjiang Uygur Autonomous Region. It is widely distributed and seriously weakened. It is a major enemy of wheat production and generally reduces production by more than 30%. In addition to wheat, but also endanger the rapeseed, sunflower, beans and melons and other crops. In order to explore its occurrence and effective control methods, we conducted a preliminary study from 1980 to 1982, the results are as follows: First, the distribution and damage Wild oats in the United States, Canada, Australia, New Zealand, Britain, the Soviet Union, the Middle East and North Africa And other areas of wheat are distributed; in Shaanxi, Gansu, Ningxia, Qinghai, Xinjiang, Tibet, Inner Mongolia, Hebei, Henan and Liaoning provinces (regions) in China, an area of ​​more than 6000 mu, annual loss of wheat 20 Hundred kilos. In Xinjiang, the victimized area of ​​wheat was 350