【摘 要】
:
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Loliu
论文部分内容阅读
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
其他文献
二、向东分布的限界因子 (一)烟潜叶蛾的发生、分布及其经济重要性烟潜叶蛾Phthorimaea operculellaZeller又名马铃薯块茎蛾,马铃薯麦蛾,马铃薯蛾,马铃薯蛀虫等,是世界性检
作为中国最重要的文化大事之一,第二届中华艺文奖颁奖典礼于2014年新年之初在北京人民大会堂举行。本次“中华艺文奖”评选出各个奖项共计19名获奖者,诺贝尔文学奖获奖者莫言
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
请下载后查看,本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.