在当代交通事业发达的情况下,杂草在国际间或地区间不断向世界各地传播蔓延,并造成严重危害,国外许多例证和已经传入我国蔓延成灾的例证(如野燕麦Avena fatua L.和毒麦Lolium temulentum L.不仅早有记载,也是大家共知的,对此不想再加叙述,这里只以我国进口植物检疫截获的 In today’s transportation industry, weeds continue to spread around the world, both at home and abroad, causing serious damage. Many foreign examples and examples of the spread of invasive weeds in our country (such as the wild oats Avena fatua L. and Lolium temulentum L. has not only been documented but also widely known by all, and we do not want to add any more. Here we only intercepted the phytosanitary import of China