[1]朱宇林,曹福亮,谭萍.Cd单一及其与Pb复合胁迫对银杏叶抗氧化保护酶活性的影响[J].西北林学院学报,2007,22(05):7-11.
 ZHU Yu-lin,CAO Fu-liang,TAN Ping.Effects of Cd Single and Pb Combined Stress on the Antioxidant Enzymes Activities of Ginkgo leaves[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2007,22(05):7-11.
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Cd单一及其与Pb复合胁迫对银杏叶抗氧化保护酶活性的影响 ()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第22卷
期数:
2007年05期
页码:
7-11
栏目:
森林生物学研究
出版日期:
2007-10-30

文章信息/Info

Title:
Effects of Cd Single and Pb Combined Stress on the Antioxidant Enzymes Activities of Ginkgo leaves
作者:
朱宇林; 曹福亮; 谭萍
玉林师范学院,广西,玉林,537000; 南京林业大学,森林资源与环境学院,江苏,南京,210037
Author(s):
ZHU Yu-lin; CAO Fu-liang; TAN Ping
关键词:
银杏 Cd 胁迫 抗氧化保护酶
分类号:
S792.95
文献标志码:
A
摘要:
采用完全随机试验设计和温室盆栽试验方法,研究了Cd单一及其与Pb复合胁迫对银杏叶抗氧化保护酶活性的影响.结果表明,超氧化物歧化酶(SOD) 活性在胁迫30 d后明显上升,且随胁迫浓度的增大而升高,至82 d时达到最大值后下降;过氧化氢酶(CAT)活性则在胁迫50 d后显著上升,82 d时达到最大值,总的变化趋势也表现为先应激性上升后明显下降的动态过程;过氧化物酶(POD)活性均高于对照.Cd、Pb间的交互相效应对SOD、POD和CAT等抗氧化酶活性的影响规律性不明显,在一定程度上表现出协同或拮抗效应.在重金属胁迫下,银杏可能通过抗氧化保护酶系统等生理防卫机制表现出较强的耐性.

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备注/Memo

备注/Memo:
江苏省高科技项目(BG2004314)
更新日期/Last Update: 2010-04-29