广西植物Issue(1)：68-73,76,7.DOI:10.3969/j.issn.1000-3142.2014.01.013
不同生境下假臭草生长特征分析
Analysis on the growth characteristics of Eupatorium catarium in different types of habitats
摘要
Abstract
Morphological characteristics such as LA,SLA,LDMC and plant height,biomass and biomass distribution and population quantitative trait of Eupatorium catarium such as population coverage and density,were determinated to study the differences of morphological characteristics,biomass and biomass distribution and population quantitative trait of E.catarium in farmland,wastelands Eucalyptus forest and roadside 4 different kinds of habitats.The results were as followed:Light and soil nutrients had significant influence on the morphological characteristics,biomass and biomass distribution and population quantitative trait of E.catarium,indicating that E.catarium in low-light but high soil nutrient habitats had larger LA,SLA and plant height,but smaller leaf LDMC and fewer plants inflores-cence.Biomass of E.catarium was mainly allocated to the leaf and stem organs,but limited to the root and the flower organ.Whereas,LA,SLA and plant height of E.catarium in high-light but low soil nutrient habitats were smaller, but leaf LDMC lager.Biomass of E.catarium was mainly allocated to the root and the flower organs.Population traits such as population coverage,density,biomass and height are smaller,indicating poor population growth.High-light and high soil nutrient habitats was optimum habitat for E.catarium,in which morphological indicators of E.ca-tarium such as plant height,base diameter,crown width and number ofinflorescences,as well as the population traits such as population coverage,density and biomass were larger,indicating better population growth.关键词
不同生境/假臭草/种群生长特征Key words
different habitats/Eupatorium catarium/population growth characteristics分类
农业科技引用本文复制引用
钟军弟,徐意媚,曾富华,刘晚苟,陈燕,刘金祥..不同生境下假臭草生长特征分析[J].广西植物,2014,(1):68-73,76,7.基金项目
湛江师范学院校级青年基金(QL1011) （QL1011）
国家科技支撑计划课题(2011BAC09B02) （2011BAC09B02）
广东高校边缘热带特色植物工程开发中心项目(GCZX-B1002) （GCZX-B1002）
