热带作物学报2018，Vol.39Issue(2)：217-223,7.DOI:10.3969/j.issn.1000-2561.2018.02.002
不同氮素水平对重金属胁迫下紫茎泽兰生长及重金属吸收的影响
Effects of Different Nitrogen Levels on the Growth and Heavy Metal Absorption of Eupatorium adenophorum under Heavy Metal Stress
摘要
Abstract
In this experiment,we examined the effects of nitrogen levels on Eupatorium adenophorum growth under Pb,Zn,Cu,Cd heavy metal stress using hydroponics.The resuhs showed that most of the growth parameters of E.adenophorum under low nitrogen level were significantly higher than those in other experimental groups,and the concentration of POD,CAT,soluble protein,soluble sugar,proline and chlorophyll in E.adenophorum were significantly higher under moderate nitrogen levels than other experimental groups.Low nitrogen level was beneficial to the absorption of Pb,Zn and Cd in roots,stems and leaves of E.adenophorum,and the concentration of Pb,Zn and Cd in the root organs of E.adenophorum were significantly higher than those in stems and leaves.It showed that E.adenophorum had a certain resistance to heavy metal stress,and low nitrogen and moderate nitrogen improved the tolerance and absorption ability of E.adenophorum to heavy metals.E.adenophorum could be used for ecological restoration of heavy metal pollution.关键词
紫茎泽兰/氮素水平/重金属/植物修复Key words
Eupatorium adenophorum/nitrogen levels/heavy metals/phytoremediation分类
资源环境引用本文复制引用
刘潮,宋培兵,张亚萍,李强,韩利红,丁雪梅,唐利洲..不同氮素水平对重金属胁迫下紫茎泽兰生长及重金属吸收的影响[J].热带作物学报,2018,39(2):217-223,7.基金项目
云南省教育厅科学研究基金项目(No.2011Y009,No.2010C023) （No.2011Y009,No.2010C023）
地方高校国家级大学生创新创业训练计划项目(No.201610684004,No.2017110684012 （）
)云南省地方本科高科技基础研究联合专项项目(No.2017FH001-034). （No.2017FH001-034）
