Membrane lipid peroxidation and protective enzyme systems with drought stressed<em> Artemisia frigida</em> leaves

WU Jian-hua; ZHANG Ru-min; GAO Yan

doi:10.11833/j.issn.2095-0756.2010.03.002

Volume 27 Issue 3

Jun. 2010

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WU Jian-hua, ZHANG Ru-min, GAO Yan. Membrane lipid peroxidation and protective enzyme systems with drought stressed Artemisia frigida leaves[J]. Journal of Zhejiang A&F University, 2010, 27(3): 329-333. doi: 10.11833/j.issn.2095-0756.2010.03.002

Citation:

WU Jian-hua, ZHANG Ru-min, GAO Yan. Membrane lipid peroxidation and protective enzyme systems with drought stressed Artemisia frigida leaves[J]. Journal of Zhejiang A&F University, 2010, 27(3): 329-333. doi: 10.11833/j.issn.2095-0756.2010.03.002

Membrane lipid peroxidation and protective enzyme systems with drought stressed Artemisia frigida leaves

doi: 10.11833/j.issn.2095-0756.2010.03.002

WU Jian-hua^1,2,
ZHANG Ru-min¹,
GAO Yan^{1,2
,}

1.
School of Forestry and Biotechnology，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;
2.
College of Agronomy，Inner Mongolia Agricultural University，Huhhot 010019，Inner Mongolia，China

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Corresponding author: GAO Yan
Publish Date: 2010-06-20

Abstract

In order to explore adaptive mechanisms of Artemisia frigida in an arid grassland，water content，cell membrane permeability，malondialdehyde（MDA） content，and protective enzyme activities for a pot culture were studied using natural arid processing with soil relative water content being determined. Results showed that the leaves of A. frigida had low water loss，superoxide dismutase （SOD） activity first increased and then decreased，catalase （CAT） activity first decreased and later increased，MDA content was steady，and in the early stage of drought stress（0 - 8 d after not wartering，with soil water content ＞ 6.5%） membrane system damage was slight. With increasing time and drought stress，SOD，CAT，and peroxidase（POD） activity decreased，MDA increased，and membrane systems were seriously hurt. To the twelfth day with soil water content being 2.7%，all leaves permanently wilted. Thus，with drought stress，SOD and CAT played an important role in cleansing reactive oxygen.［Ch，5 fig. 13 ref.］
- plant physiology,
- Artemisia frigida,
- drought stress,
- protective enzyme activity,
- membrane lipid peroxidation

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Membrane lipid peroxidation and protective enzyme systems with drought stressed Artemisia frigida leaves

1. School of Forestry and Biotechnology，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;

2. College of Agronomy，Inner Mongolia Agricultural University，Huhhot 010019，Inner Mongolia，China

Corresponding author: GAO Yan

Publish Date: 2010-06-20

Key words:

Abstract: In order to explore adaptive mechanisms of Artemisia frigida in an arid grassland，water content，cell membrane permeability，malondialdehyde（MDA） content，and protective enzyme activities for a pot culture were studied using natural arid processing with soil relative water content being determined. Results showed that the leaves of A. frigida had low water loss，superoxide dismutase （SOD） activity first increased and then decreased，catalase （CAT） activity first decreased and later increased，MDA content was steady，and in the early stage of drought stress（0 - 8 d after not wartering，with soil water content ＞ 6.5%） membrane system damage was slight. With increasing time and drought stress，SOD，CAT，and peroxidase（POD） activity decreased，MDA increased，and membrane systems were seriously hurt. To the twelfth day with soil water content being 2.7%，all leaves permanently wilted. Thus，with drought stress，SOD and CAT played an important role in cleansing reactive oxygen.［Ch，5 fig. 13 ref.］

Membrane lipid peroxidation and protective enzyme systems with drought stressed Artemisia frigida leaves

doi: 10.11833/j.issn.2095-0756.2010.03.002

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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Proportional views

Membrane lipid peroxidation and protective enzyme systems with drought stressed Artemisia frigida leaves

doi: 10.11833/j.issn.2095-0756.2010.03.002

1. School of Forestry and Biotechnology，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;

2. College of Agronomy，Inner Mongolia Agricultural University，Huhhot 010019，Inner Mongolia，China

Corresponding author: GAO Yan

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Membrane lipid peroxidation and protective enzyme systems with drought stressed Artemisia frigida leaves

doi: 10.11833/j.issn.2095-0756.2010.03.002

Abstract

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通讯作者: 陈斌, bchen63@163.com

Related

Proportional views

Membrane lipid peroxidation and protective enzyme systems with drought stressed Artemisia frigida leaves

doi: 10.11833/j.issn.2095-0756.2010.03.002

1. School of Forestry and Biotechnology，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China; 2. College of Agronomy，Inner Mongolia Agricultural University，Huhhot 010019，Inner Mongolia，China

Corresponding author: GAO Yan

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1. School of Forestry and Biotechnology，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;

2. College of Agronomy，Inner Mongolia Agricultural University，Huhhot 010019，Inner Mongolia，China