干旱胁迫对4种灌木生理生化特性的影响

于金慧; 柏明娥; 方伟; 洪利兴

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干旱胁迫对4种灌木生理生化特性的影响

于金慧 , 柏明娥 , 方伟 , 洪利兴

文章导航 > 浙江农林大学学报 > 2009 > 26(4): 485-489

于金慧, 柏明娥, 方伟, 洪利兴. 干旱胁迫对4种灌木生理生化特性的影响[J]. 浙江农林大学学报, 2009, 26(4): 485-489.

引用本文:

于金慧, 柏明娥, 方伟, 洪利兴. 干旱胁迫对4种灌木生理生化特性的影响[J]. 浙江农林大学学报, 2009, 26(4): 485-489.

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.

干旱胁迫对4种灌木生理生化特性的影响

1.
浙江林学院林业与生物技术学院，浙江临安 311300;
2.
浙江省林业科学研究院，浙江杭州 310023

详细信息

通信作者: 洪利兴

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

More Information

Corresponding author: HONG Li-xing

摘要: 采用自然干旱方式，对美丽胡枝子Lespedeza formosa，马棘Indigofera pseudotinctoria，伞房决明Cassia corymbosa和紫穗槐Amorpha fruticosa等4种灌木进行干旱胁迫条件下的抗氧化酶（超氧化物歧化酶SOD和过氧化物酶POD）活性、脯氨酸（Pro）质量分数和丙二醛（MDA）质量摩尔浓度的影响试验。结果表明：在土壤相对含水量逐渐下降的过程中，美丽胡枝子和马棘的SOD活性初期变化较小，后期迅速上升，复水后有所下降。伞房决明和紫穗槐则是初期上升至最大值后下降，复水后小幅上升；POD活性总体上均呈先升后降复水后上升的变化趋势，但不同植物的POD活性大小存在一定差异；MDA质量摩尔浓度在胁迫初期下降，随胁迫程度的加剧，逐渐上升，复水后又下降；Pro质量分数在胁迫期间上升、复水后下降，美丽胡枝子变化幅度最大，伞房决明变幅最小。干旱胁迫引起了美丽胡枝子等4种灌木植物体内生理生化物质含量的变化，但不同植物的变化趋势不尽相同，受植物体内物质的综合调控，其抗旱机制存在一定差异，相比之下伞房决明的抗旱能力较强。图5参10
- 植物学 /
- 干旱胁迫 /
- 美丽胡枝子 /
- 马棘 /
- 伞房决明 /
- 紫穗槐
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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干旱胁迫对4种灌木生理生化特性的影响

1. 浙江林学院林业与生物技术学院，浙江临安 311300;

2. 浙江省林业科学研究院，浙江杭州 310023

通信作者: 洪利兴

刊出日期: 2009-08-20

关键词:

摘要: 采用自然干旱方式，对美丽胡枝子Lespedeza formosa，马棘Indigofera pseudotinctoria，伞房决明Cassia corymbosa和紫穗槐Amorpha fruticosa等4种灌木进行干旱胁迫条件下的抗氧化酶（超氧化物歧化酶SOD和过氧化物酶POD）活性、脯氨酸（Pro）质量分数和丙二醛（MDA）质量摩尔浓度的影响试验。结果表明：在土壤相对含水量逐渐下降的过程中，美丽胡枝子和马棘的SOD活性初期变化较小，后期迅速上升，复水后有所下降。伞房决明和紫穗槐则是初期上升至最大值后下降，复水后小幅上升；POD活性总体上均呈先升后降复水后上升的变化趋势，但不同植物的POD活性大小存在一定差异；MDA质量摩尔浓度在胁迫初期下降，随胁迫程度的加剧，逐渐上升，复水后又下降；Pro质量分数在胁迫期间上升、复水后下降，美丽胡枝子变化幅度最大，伞房决明变幅最小。干旱胁迫引起了美丽胡枝子等4种灌木植物体内生理生化物质含量的变化，但不同植物的变化趋势不尽相同，受植物体内物质的综合调控，其抗旱机制存在一定差异，相比之下伞房决明的抗旱能力较强。图5参10

English Abstract

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

Keywords:

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.］

于金慧, 柏明娥, 方伟, 洪利兴. 干旱胁迫对4种灌木生理生化特性的影响[J]. 浙江农林大学学报, 2009, 26(4): 485-489.

引用本文:

于金慧, 柏明娥, 方伟, 洪利兴. 干旱胁迫对4种灌木生理生化特性的影响[J]. 浙江农林大学学报, 2009, 26(4): 485-489.

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.