土壤干旱胁迫对4种薹草植物生理生化特性的影响

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朱小楼,楼炉焕,王慧

文章导航> 浙江农林大学学报> 2009> 26(5): 656-662

朱小楼, 楼炉焕, 王慧. 土壤干旱胁迫对4种薹草植物生理生化特性的影响[J]. 浙江农林大学学报, 2009, 26(5): 656-662.

引用本文:

朱小楼, 楼炉焕, 王慧. 土壤干旱胁迫对4种薹草植物生理生化特性的影响[J]. 浙江农林大学学报, 2009, 26(5): 656-662.

ZHU Xiao-lou, LOU Lu-huan, WANG Hui. Physiological and biochemical characteristics of four species of Carex with drought stress[J]. Journal of Zhejiang A&F University, 2009, 26(5): 656-662.

Citation:

ZHU Xiao-lou, LOU Lu-huan, WANG Hui. Physiological and biochemical characteristics of four species ofCarexwith drought stress[J].Journal of Zhejiang A&F University, 2009, 26(5): 656-662.

土壤干旱胁迫对4种薹草植物生理生化特性的影响

1.
浙江林学院园林学院，浙江临安 311300;
2.
浙江林学院林业与生物技术学院，浙江临安 311300

详细信息

通信作者:楼炉焕

Physiological and biochemical characteristics of four species ofCarexwith drought stress

1.
School of Landscape Architecture，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;
2.
School of Forestry and Biotechnology，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China

More Information

Corresponding author:LOU Lu-huan

摘要:为发展节水型园林，提供抗旱性强的植物种类，试验以条穗薹草Carex nemostachys，仲氏薹草C. chungii，栗褐薹草C. brunnea和三穗薹草C. tristachya 为试材，采用盆栽干旱处理，研究在干旱胁迫下4种薹草的形态和生理生化的变化。结果表明：随着干旱胁迫加重，4种薹草的叶片逐渐卷曲、变黄，相对电导率不断上升。干旱胁迫30 d后，栗褐薹草和仲氏薹草的相对电导率为50%，而条穗薹草达到了90%。在干旱胁迫期间，4种薹草的可溶性糖、游离脯氨酸质量分数和保护酶活性的变化存在着显著差异（P＜0.05），条穗薹草和三穗薹草呈先升后降趋势，而栗褐薹草和仲氏薹草呈不断上升的趋势。与对照相比，栗褐薹草和仲氏薹草的可溶性糖分别增加了435%和491%，POD活性升高了93%和102%，SOD活性升高了82%和79%。通过隶属函数法对4种薹草的抗旱性进行综合分析，得出其抗旱性强弱为：栗褐薹草＞仲氏薹草＞三穗薹草＞条穗薹草。图5表4参18
- 植物学/
- 干旱胁迫/
- 生理生化指标/
- 条穗薹草/
- 仲氏薹草/
- 栗褐薹草/
- 三穗薹草
Abstract:To choose drought-resistant plant species for the water-saving gardens plan，four Carex species including Carex nemostachys，C. chungii，C. brunnea，and C. tristachya were as subjects. Changes in morphological index，relative conductivity，soluble sugar，proline，protective enzyme activities of four Carex species were studied under the different content of soil water by artifical controlling in pot，measured every 5 days during the period of 30 days. Results showed that leaves of the four Carex species became curly and yellow with relative conductivity as drought stress increased. After thirty days of drought，the relative conductivity of C. brunnea and C. chungii was 50%，however the one of C. nemostachys was 90%. During drought stress，there were scientific differences in soluble sugars，proline，protective enzyme activities by variance analysis（P＜0.05）. Soluble sugar，proline，and protective enzyme activities for C. nemostachys and C. tristachya increased firstly and then declined，whereas those of C. brunnea and C. chungii increased continuously. Compared with the antitheses，soluble sugar of C. brunnea increased by 435% and C. chungii increased by 491%，peroxidase activities of C. brunnea increased by 93% and C. chungii increased by 102%，and superoxide dismutase of C. brunnea increased by 82% and C. chungii increased by 79%. Through subordinate function analysis according to the data acquired and combining observation，the drought-tolerance ability of four Carex species was concluded：C. brunnea ＞ C. chungii ＞ C. tristachya ＞ C. nemostachys. ［Ch，5 fig. 4 tab. 18 ref.］
- botany/
- drought stress/
- physiological and biochemical indexes/
- Carex nemostachys/
- Carex chungii/
- Carex brunnea/
- Carex tristachya

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https://zlxb.zafu.edu.cn/article/id/493
https://zlxb.zafu.edu.cn/article/zjnldxxb/2009/5/656

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土壤干旱胁迫对4种薹草植物生理生化特性的影响

1. 浙江林学院园林学院，浙江临安 311300;
2. 浙江林学院林业与生物技术学院，浙江临安 311300

通信作者:楼炉焕

刊出日期: 2009-10-20

关键词:

摘要:为发展节水型园林，提供抗旱性强的植物种类，试验以条穗薹草Carex nemostachys，仲氏薹草C. chungii，栗褐薹草C. brunnea和三穗薹草C. tristachya 为试材，采用盆栽干旱处理，研究在干旱胁迫下4种薹草的形态和生理生化的变化。结果表明：随着干旱胁迫加重，4种薹草的叶片逐渐卷曲、变黄，相对电导率不断上升。干旱胁迫30 d后，栗褐薹草和仲氏薹草的相对电导率为50%，而条穗薹草达到了90%。在干旱胁迫期间，4种薹草的可溶性糖、游离脯氨酸质量分数和保护酶活性的变化存在着显著差异（P＜0.05），条穗薹草和三穗薹草呈先升后降趋势，而栗褐薹草和仲氏薹草呈不断上升的趋势。与对照相比，栗褐薹草和仲氏薹草的可溶性糖分别增加了435%和491%，POD活性升高了93%和102%，SOD活性升高了82%和79%。通过隶属函数法对4种薹草的抗旱性进行综合分析，得出其抗旱性强弱为：栗褐薹草＞仲氏薹草＞三穗薹草＞条穗薹草。图5表4参18

English Abstract

Physiological and biochemical characteristics of four species ofCarexwith drought stress

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

Corresponding author:LOU Lu-huan

Publish Date:2009-10-20

Keywords:

Abstract:To choose drought-resistant plant species for the water-saving gardens plan，four Carex species including Carex nemostachys，C. chungii，C. brunnea，and C. tristachya were as subjects. Changes in morphological index，relative conductivity，soluble sugar，proline，protective enzyme activities of four Carex species were studied under the different content of soil water by artifical controlling in pot，measured every 5 days during the period of 30 days. Results showed that leaves of the four Carex species became curly and yellow with relative conductivity as drought stress increased. After thirty days of drought，the relative conductivity of C. brunnea and C. chungii was 50%，however the one of C. nemostachys was 90%. During drought stress，there were scientific differences in soluble sugars，proline，protective enzyme activities by variance analysis（P＜0.05）. Soluble sugar，proline，and protective enzyme activities for C. nemostachys and C. tristachya increased firstly and then declined，whereas those of C. brunnea and C. chungii increased continuously. Compared with the antitheses，soluble sugar of C. brunnea increased by 435% and C. chungii increased by 491%，peroxidase activities of C. brunnea increased by 93% and C. chungii increased by 102%，and superoxide dismutase of C. brunnea increased by 82% and C. chungii increased by 79%. Through subordinate function analysis according to the data acquired and combining observation，the drought-tolerance ability of four Carex species was concluded：C. brunnea ＞ C. chungii ＞ C. tristachya ＞ C. nemostachys. ［Ch，5 fig. 4 tab. 18 ref.］

朱小楼, 楼炉焕, 王慧. 土壤干旱胁迫对4种薹草植物生理生化特性的影响[J]. 浙江农林大学学报, 2009, 26(5): 656-662.

引用本文:

朱小楼, 楼炉焕, 王慧. 土壤干旱胁迫对4种薹草植物生理生化特性的影响[J]. 浙江农林大学学报, 2009, 26(5): 656-662.

ZHU Xiao-lou, LOU Lu-huan, WANG Hui. Physiological and biochemical characteristics of four species of Carex with drought stress[J]. Journal of Zhejiang A&F University, 2009, 26(5): 656-662.

Citation:

ZHU Xiao-lou, LOU Lu-huan, WANG Hui. Physiological and biochemical characteristics of four species ofCarexwith drought stress[J].Journal of Zhejiang A&F University, 2009, 26(5): 656-662.