需重视的检疫性杂草--密花豚草  

Ambrosia confertiflora DC.,a quarantine weed need more concern

作　　者：李盼畔 魏霜 陈萍 刘明航 范晓虹[2] Li Panpan;Wei Shuang;Chen Ping;Liu Minghang;Fan Xiaohong(Technology Center of Guangzhou Customs District,Guangzhou 510623,China;Chinese Academy of Inspection and Quarantine)

机构地区：[1]广州海关技术中心,广东广州510623 [2]中国检验检疫科学研究院

出　　处：《植物检疫》2020年第5期64-67,共4页Plant Quarantine

基　　金：国家重点研发计划(2018YFC0809200)。

摘　　要：密花豚草(Ambrosia confertiflora DC.)是一种原产北美洲的多年生杂草,由于其强大的环境适应能力、繁殖能力和竞争能力,以及对农业生产和人类生活的严重危害性,2018年被EPPO列入A2检疫性有害生物名录。豚草属杂草已被列入我国进境植物检疫性有害生物名录,密花豚草在我国尚无分布。本文在收集相关资料的基础上,概述了该杂草的地理分布、形态特征、生物学特性、经济意义、防治措施等,评估了其传入我国的风险,为进口产品检疫以及杂草监测提供参考。Ambrosia confertiflora DC.is a perennial weed native to North America.Because of its strong enironmental adaptability,reproducibility and competitiveness,it brings serious impact on agriculture,horticulture and human life.In 2018,it was listed as A2 quarantine pests by EPPO.Ambrosia spp.has been included in quarantine pests list of China,and there are no distribution of A.confertiflora in China at present.With reference to relevant information,this paper summarizes the geographical distribution,morphological features,biological characteristics,economic significance,prevention measures,and analyses its risk of introduction to China,so as to provide reference for imported products quarantine and weeds monitoring.

关 键 词：密花豚草 形态特征 检索表 风险评估 

分 类 号：S41[农业科学—植物保护]