重庆中心城区城市绿地菊科外来入侵植物调查与防治  

Survey and Prevention Suggestions of Invasive Plants of Asteraceae in Chongqing Downtown Urban Green Land

作　　者：曹荣 陈霜 谭志坚 Cao Rong;Chen Shuang;Tan Zhijian(Chongqing Bishan District Urban Administration Bureau,Chongqing 402760,China;Chongqing Landscape and Gardening Research Institute,Chongqing 401329,China;Chongqing Urban Landscape Engineering Technology Research Center,Chongqing 401329,China;Chongqing Key Laboratory of Germplasm Innovation and Utilization of Native Plants,Chongqing 401329,China)

机构地区：[1]重庆市璧山区园林绿化管理所,重庆402760 [2]重庆市风景园林科学研究院,重庆401329 [3]重庆市城市园林绿化工程技术研究中心,重庆401329 [4]川渝共建乡土植物种质创新与利用重庆市重点实验室,重庆401329

出　　处：《绿色科技》2022年第15期35-37,45,共4页Journal of Green Science and Technology

基　　金：重庆市科技计划项目(编号:cstc2011pt-gc80019)。

摘　　要：对重庆中心城区城市绿地菊科外来入侵植物的种类组成、生活型、原产地及区系成分等进行了调查研究,得出主要结论如下:重庆中心城区城市绿地菊科外来入侵植物计10属16种,其中,园林植物入侵种3属4种,园林入侵杂草8属12种。从来源看,有近1/3的种类来自美洲,表明美洲起源的植物能较好地适应重庆地区的自然环境条件。在生活型方面,均为草本植物,且以一年生草本植物占比为最多。在区系成分方面,属的区系组成具有明显的热带区系特征。并提出应深入开展外来入侵植物调查、严格进行外来植物引种观测、及时开展科学防治、开展风险等级评估及智慧管理监测平台、注重城市绿地植被健康等防治建议。In this paper,the species components,source areas and types of damage of invasive plants in Chongqing downtown Urban Green Land were analyzed.Based on the analysis,the paper has discussed the major characteristics of the flora as follow:there are 10 genera 16 species of invasive plants of Asteraceae,of which 3 genera 4 species were garden plants.The rest were weeds.The most were species of Asteraceae;Nearly one-third of the species of these plants originated from American.It shows that the plants of American origin can adapt to the natural environment of Chongqing.In terms of lifestyle,they are all herbaceous plants,and the annual herbs accounted for the most.The floristic composition of the genus has obvious tropical floristic characteristics.It is suggested that the investigation of alien invasive plants should be carried out in depth.The introduction of exotic plants should be strictly observed.Scientific prevention and control should be carried out in a timely manner.Risk level assessment and intelligent management platform monitoring are carried out.Attention should be paid to the health of urban green vegetation and other prevention and control.

关 键 词：外来入侵植物 菊科 重庆 

分 类 号：Q948[生物学—植物学]