野燕麦又叫燕麦草。生活能力强,繁殖系数高,传播途径广。1965年前在我省仅零星发生,以后发展到个别田块较重,近年来蔓延很快,为害加重。据不完全统计,关中主产麦区已有17个县市不同程度的受其为害,面积150万亩以上,占关中麦田面积10%左右。兴平县30万亩麦田中有25万亩遭受为害,占83.3%。一般麦田平均有野燕麦1.8万～12万株,严重的50万株以上。因其适应性强,根系发达,生长 Wild oats, also known as oats grass. Strong living ability, high multiplication coefficient, wide transmission. Before 1965, it took place only sporadically in our province. Afterwards, it developed into a heavier individual plots and spread rapidly in recent years, causing aggravating harm. According to incomplete statistics, 17 counties and cities in Guanzhong’s main producing area have been harmed to varying degrees, covering an area of ​​more than 1.5 million mu and accounting for about 10% of the total area of ​​wheat in Guanzhong. Xingping 300,000 acres of wheat fields in 25 million mu suffer, accounting for 83.3%. The average wheat field has an average of 18,000 ~ 120,000 wild oats, more than 500,000 serious. Because of its adaptability, root system developed and growing