[1]王艳,王进鑫*,马惠芳,等.干旱和铅胁迫对刺槐和紫穗槐抗氧化酶活性的影响[J].西北林学院学报,2011,26(06):24-29.
　WANG Yan,WANG Jin xin,MA Hui fang,et al.Effects of Drought and Lead Stresses on Antioxidant Enzyme Activities of Robinia pseudoacacia and Amorpha fruticosa[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2011,26(06):24-29.
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干旱和铅胁迫对刺槐和紫穗槐抗氧化酶活性的影响
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第26卷
期数:
2011年06期
页码:
24-29
栏目:
森林生物学
出版日期:
2011-11-30

文章信息/Info

Title:
Effects of Drought and Lead Stresses on Antioxidant Enzyme Activities of Robinia pseudoacacia and Amorpha fruticosa
作者:
王艳; 王进鑫*; 马惠芳; 杨楠; 张波
西北农林科技大学 资源环境学院/农业部西北植物营养与农业环境重点实验室，陕西 杨陵 712100
Author(s):
WANG Yan; WANG Jinxin; MA Huifang;  YANG Nan;  ZHANG Bo
College of Resources and Environment, Key Laboratory of Plant Nutrition and the Agrienvironment in Northwest China, Ministry of Agriculture, Northwest A&F University,Yangling,Shaanxi 712100,China
关键词:
干旱胁迫; 铅胁迫; 抗氧化酶活性; 丙二醛含量
Keywords:
drought stress; Pb stress; antioxidant enzyme activities; malondialdehyde content
分类号:
S792.270.1
文献标志码:
A
摘要:
通过盆栽实验，研究了铅胁迫和干旱胁迫对1 a生刺槐、紫穗槐及其紫穗槐平茬后萌条叶片抗氧化酶活性和丙二醛含量的影响。结果表明：高浓度(1 000~3 000 mg·kg-1)的铅处理能提高SOD活性，低浓度(300~500 mg·kg-1)的铅处理提高了POD活性；水分和铅胁迫共同作用，刺激了各树种叶片的酶活性。综合分析，紫穗槐的抗性优于刺槐，抗铅胁迫能力紫穗槐苗木>紫穗槐萌条>刺槐苗木。
Abstract:
The effects of heavy metal Pb and drought stresses on the antioxidant enzyme activities and malondialdehyde concentration of Robinia pseudoacacia and Amorpha fruticosa in oneyear old seedlings were studied with pot experiments for the selection of tree species with strong resistance. The results showed that lead stress at higher concentration (1 000~3 000 mg·kg-1) and at lower (300~500 mg·kg-1) could improve activity,could improve SOD and POD activities, respectively. Both water and lead stresses could improve antioxidant enzyme activities of the leaves. Based on a comprehensive analysis, the resistance of A. fruticosa was better than R. pseudoacacia. Antistress abilities to Pb were in the order of A. fruticosa seedling>A. fruticosa cutting>R. pseudoacacia seedling.

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备注/Memo

备注/Memo:
收稿日期：20100916修回日期：20110117 基金项目：国家自然科学基金项目（30771722；31170579） 作者简介：王艳，女，硕士研究生，主要从事生态环境工程研究。 *通讯作者：王进鑫，男，教授，博士生导师，主要从事旱区人工林生态系统水分运移调控与生物节水理论研究。Email:jwang118@126.com。
更新日期/Last Update: 2011-12-31