[1]胡亚琼,张存旭,魏安智. 银灰杨和84K杨离体培养抗镉胁迫的比较[J].西北林学院学报,2012,27(06):43-47.
　HU Ya-qiong,ZHANG Cun-xu,WEI An-zhi. Comparative Studies on the Resistance to Cadmium Stress for Populus canescens and P. alba× P. glandulosa cv. 84K in vitro[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(06):43-47.
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 银灰杨和84K杨离体培养抗镉胁迫的比较()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年06期
页码:
43-47
栏目:
出版日期:
2012-11-30

文章信息/Info

Title:
 Comparative Studies on the Resistance to Cadmium Stress for Populus canescens and P. alba× P. glandulosa cv. 84K in vitro
文章编号:
1001-7461(2012)06-0043-05
作者:
 胡亚琼; 张存旭; 魏安智
 （西北农林科技大学 林学院，陕西 杨陵 712100）
Author(s):
 HU Ya-qiong;  ZHANG Cun-xu;  WEI An-zhi
 (College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China)
关键词:
 ; 银灰杨; 84K杨; 镉胁迫; 抗氧化酶活性; 离体培养
Keywords:
 ; Populus canescens;  P. alba× P. glandulosa cv. 84K ;  Cd stress;  antioxidant enzyme activity;  in vitro
分类号:
S792.11
文献标志码:
A
摘要:
 离体条件下研究不同浓度镉胁迫处理对银灰杨和84K杨试管苗生长和抗氧化酶活性的影响，以探讨2种杨树间的抗镉性差异。结果表明：低浓度（50 μmol·L-1）的镉胁迫能够促进2种杨树试管苗的生长，高浓度（200 μmol·L-1）的镉胁迫则抑制植株的生长；随着镉胁迫处理浓度的增大，2种杨树试管苗的SOD酶和CAT酶活性都是先升高后下降；POD酶活性则逐渐增加。与银灰杨相比，84K杨在镉胁迫下的生长综合指标以及酶活性变化值都较低。银灰杨较84K杨有较高的抗镉污染能力。

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