Physiological and biochemical substances of four shrubs with drought stress

YU Jin-hui; BAI Ming-e; FANG Wei; HONG Li-xing

Volume 26 Issue 4

Aug. 2009

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YU Jin-hui, BAI Ming-e, FANG Wei, HONG Li-xing. Physiological and biochemical substances of four shrubs with drought stress[J]. Journal of Zhejiang A&F University, 2009, 26(4): 485-489.

Citation:

YU Jin-hui, BAI Ming-e, FANG Wei, HONG Li-xing. Physiological and biochemical substances of four shrubs with drought stress[J]. Journal of Zhejiang A&F University, 2009, 26(4): 485-489.

Physiological and biochemical substances of four shrubs with drought stress

1.
School of Forestry and Biotechnology，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;
2.
Zhejiang Forestry Academy，Hangzhou 310023，Zhejiang，China

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Corresponding author: HONG Li-xing
Publish Date: 2009-08-20

Abstract

Four shrubs，Lespedeza formosa，Indigofera pseudotinctoria，Cassia corymbosa，Amorpha fruticosa，were studied with natural drought stress（no watering） of four lasting drought stages and subsequent watering，in regards to antioxidant enzyme activity，praline（Pro） content and malondialdehyde（MDA） content. The control was seedlings with normal watering. Thirty seedlings of each shrubs were randomly arranged with three replications. Physical indexes were determined every seven days. The results showed that superoxide dismutase （SOD） activity of L. formosa and I. pseudotinctoria had a significant increase（P＜0.05） at the end of the drought stress，and decreased significantly（P＜0.05） after watering again. Meanwhile，C. corymbosa and A. fruticosa rose sharply with significant difference（P＜0.05） then continually decreased significantly（P＜0.05），and after watering again，the former decreased insignificantly while the later increased significantly；changes for peroxidase（POD）activity of the four shrubs almost followed a same trend，that is，after increasing，there was a significant decrease（P＜0.05），then increased distinctively after watering again. Pro content kept significant increase（P＜0.05）while decreased significantly （P＜0.05） after watering again with the most extent of L. formosa and the least of C. corymbosa. MDA content decreased indistinctively and then increased significantly（P＜0.05）before undergoing a significant decrease（P＜0.05）after watering again. Overall，changes in biochemical substances of the four shrubs with drought stress differed due to plant material itself and C. corymbosa exhibiting the best resistance to drought by comprehensive analysis.［Ch，5 fig. 10 ref.］
- botany,
- natural drought stress,
- Lespedeza formosa,
- Indigofera pseudotinctoria,
- Cassia corymbosa,
- Amorpha fruticosa

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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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Physiological and biochemical substances of four shrubs with drought stress

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

2. Zhejiang Forestry Academy，Hangzhou 310023，Zhejiang，China

Corresponding author: HONG Li-xing

Publish Date: 2009-08-20

Key words:

Abstract: Four shrubs，Lespedeza formosa，Indigofera pseudotinctoria，Cassia corymbosa，Amorpha fruticosa，were studied with natural drought stress（no watering） of four lasting drought stages and subsequent watering，in regards to antioxidant enzyme activity，praline（Pro） content and malondialdehyde（MDA） content. The control was seedlings with normal watering. Thirty seedlings of each shrubs were randomly arranged with three replications. Physical indexes were determined every seven days. The results showed that superoxide dismutase （SOD） activity of L. formosa and I. pseudotinctoria had a significant increase（P＜0.05） at the end of the drought stress，and decreased significantly（P＜0.05） after watering again. Meanwhile，C. corymbosa and A. fruticosa rose sharply with significant difference（P＜0.05） then continually decreased significantly（P＜0.05），and after watering again，the former decreased insignificantly while the later increased significantly；changes for peroxidase（POD）activity of the four shrubs almost followed a same trend，that is，after increasing，there was a significant decrease（P＜0.05），then increased distinctively after watering again. Pro content kept significant increase（P＜0.05）while decreased significantly （P＜0.05） after watering again with the most extent of L. formosa and the least of C. corymbosa. MDA content decreased indistinctively and then increased significantly（P＜0.05）before undergoing a significant decrease（P＜0.05）after watering again. Overall，changes in biochemical substances of the four shrubs with drought stress differed due to plant material itself and C. corymbosa exhibiting the best resistance to drought by comprehensive analysis.［Ch，5 fig. 10 ref.］

Physiological and biochemical substances of four shrubs with drought stress

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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