西北林学院学报2017，Vol.32Issue(3)：62-66,70,6.DOI:10.3969/j.issn.1001-7461.2017.03.12
土壤重金属胁迫下3种观赏植物生理抗性
Physiological Resistance of Three Ornamental Plants to Soil Heavy Metal Stress
摘要
Abstract
In order to explore the physiological resistance rule of three ornamental plants (Philodendron martianum,Syngonium podophyllum,Scindapsus aureum) under the stress of two heavy metals (lead and cadmium),a pot experiment was conducted to study relative physiological indices under different stress concentrations.The results showed that the contents of proline of P.martianum and S.aureum increased with the stress concentration,and the increase range of P.martianum was greater than that of S.aureum.The content of proline in S.podophyllum increased first and then decreased.The content of soluble protein in S.podophyllum increased first and then decreased with the increase of stress concentration,while in P.martianum and S.aureum,it exhibited the tendency of increase-decrease-slight increase.The MDA content and relative conductivity increased with the increase of stress concentration,and the increase range was in the order of S.podophyllum＞S.aureum＞P.martianum.Superoxide dismutase and peroxidase activity increased first and then decreased,and the decrease range from high to low was P.martianum,S.aureum,S.podophyllum.Considering index changes,the resistant capability of the three plants to heavy metals was P.martianum＞ S.aureum＞ S.podoph yllum.关键词
铅镉胁迫/观赏植物/生理抗性Key words
Pb and Cd stress/ornamental plant/physiological resistance分类
农业科技引用本文复制引用
郭晖,王妞,张家洋..土壤重金属胁迫下3种观赏植物生理抗性[J].西北林学院学报,2017,32(3):62-66,70,6.基金项目
河南省教育厅高等学校科研项目(17A180033) （17A180033）
新乡市重点科技攻关项目(ZG14035). （ZG14035）
