An antioxidant system in cucumber seedling leaves with short term drought stress

DING Ling; WU Xue; DU Changxia; XU Yanli; FAN Huaifu

doi:10.11833/j.issn.2095-0756.2015.02.017

Volume 32 Issue 2

Mar. 2015

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DING Ling, WU Xue, DU Changxia, XU Yanli, FAN Huaifu. An antioxidant system in cucumber seedling leaves with short term drought stress[J]. Journal of Zhejiang A&F University, 2015, 32(2): 285-290. doi: 10.11833/j.issn.2095-0756.2015.02.017

Citation:

DING Ling, WU Xue, DU Changxia, XU Yanli, FAN Huaifu. An antioxidant system in cucumber seedling leaves with short term drought stress[J]. Journal of Zhejiang A&F University, 2015, 32(2): 285-290. doi: 10.11833/j.issn.2095-0756.2015.02.017

An antioxidant system in cucumber seedling leaves with short term drought stress

doi: 10.11833/j.issn.2095-0756.2015.02.017

DING Ling¹,
WU Xue¹,
DU Changxia^1,2,
XU Yanli¹,
FAN Huaifu^{1,2
,
,}

1.
School of Agriculture and Food Science, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;
2.
The Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

Received Date: 2014-04-25
Rev Recd Date: 2014-07-02
Publish Date: 2015-04-20

Abstract

To determine the effect of short term drought stress on an antioxidant system in cucumber seedling leaves, the Cucumis sativus Jinyou No. 1 seedlings were cultured in a shanqi nutrient solution under drought stress simulated by 5% and 10% PEG 6000. A control, 5% and 10% PEG 6000 with three replications was used to compare superoxide dismutase （SOD）, glutathione reductase （GR）, ascorbate （ASA）, glutathione （GSH）, soluble protein, malondialdehyde （MDA）. Results after 24 h of treatment showed that compared to the control, SOD and GR activities as well as ASA and GSH content significantly decreased （P＜0.05）. However, soluble protein and MDA content significantly increased （P＜0.05）. Thus, short term stress resulted in acceleration of the membrane lipid peroxidation, and the enzymatic antioxidant system played a more active role in the process of antioxidant. ［Ch, 3 fig. 21 ref.］
- horticulture,
- cucumber,
- drought stress,
- antioxidant system

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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An antioxidant system in cucumber seedling leaves with short term drought stress

1. School of Agriculture and Food Science, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;

2. The Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

Received Date: 2014-04-25

Rev Recd Date: 2014-07-02

Publish Date: 2015-04-20

Key words:

Abstract: To determine the effect of short term drought stress on an antioxidant system in cucumber seedling leaves, the Cucumis sativus Jinyou No. 1 seedlings were cultured in a shanqi nutrient solution under drought stress simulated by 5% and 10% PEG 6000. A control, 5% and 10% PEG 6000 with three replications was used to compare superoxide dismutase （SOD）, glutathione reductase （GR）, ascorbate （ASA）, glutathione （GSH）, soluble protein, malondialdehyde （MDA）. Results after 24 h of treatment showed that compared to the control, SOD and GR activities as well as ASA and GSH content significantly decreased （P＜0.05）. However, soluble protein and MDA content significantly increased （P＜0.05）. Thus, short term stress resulted in acceleration of the membrane lipid peroxidation, and the enzymatic antioxidant system played a more active role in the process of antioxidant. ［Ch, 3 fig. 21 ref.］

An antioxidant system in cucumber seedling leaves with short term drought stress

doi: 10.11833/j.issn.2095-0756.2015.02.017

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

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