Growth and physiological characteristics of five island tree species with drought stress

CHEN Wen; ZHAO Ying; YE Zhengqian; WANG Meiqin; WANG Jing; WANG Guoming

doi:10.11833/j.issn.2095-0756.2013.04.005

Volume 30 Issue 4

Jul. 2013

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CHEN Wen, ZHAO Ying, YE Zhengqian, WANG Meiqin, WANG Jing, WANG Guoming. Growth and physiological characteristics of five island tree species with drought stress[J]. Journal of Zhejiang A&F University, 2013, 30(4): 490-498. doi: 10.11833/j.issn.2095-0756.2013.04.005

Citation:

CHEN Wen, ZHAO Ying, YE Zhengqian, WANG Meiqin, WANG Jing, WANG Guoming. Growth and physiological characteristics of five island tree species with drought stress[J]. Journal of Zhejiang A&F University, 2013, 30(4): 490-498. doi: 10.11833/j.issn.2095-0756.2013.04.005

Growth and physiological characteristics of five island tree species with drought stress

doi: 10.11833/j.issn.2095-0756.2013.04.005

1.
Zhoushan Forestry Academy，Zhoushan 316000，Zhejiang, China;
2.
School of Environmental and Resource Sciences，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

More Information

Corresponding author: WANG Guoming
Received Date: 2012-07-05
Rev Recd Date: 2012-10-30
Publish Date: 2013-08-20

Abstract

To compare the drought-resistance of five island tree species，namely, Ilex integra，Machilus thunbergii，Cinnamomum japonicum var. chenii，Eurya emarginata，and Eurya japonica，an experiment was conducted using tree seedlings with different soil drought stress levels. Plant physiological responses to the drought stress were measured. Results showed that the root and shoot biomass decreased as drought increased， but the root-to-shoot ratios（R/S） increased first and then decreased. In addition，chlorophyll content（Chl） decreased as drought stress increased. With severe drought stress，the survival rate was C. japonicum var. chenii ＞ I. integra ＞ M. thunbergii = E. emarginata ＞ E. japonica. A subordinate function used to rank drought-resistance showed: C. japonicum var. chenii ＞ I. integra ＞ M. thunbergii ＞ E. japonica＞E. emarginata . ［Ch，4 tab. 25 ref.］
- tree physiology,
- drought stress,
- physiological characteristics,
- island trees,
- drought resistance

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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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Growth and physiological characteristics of five island tree species with drought stress

1. Zhoushan Forestry Academy，Zhoushan 316000，Zhejiang, China;

2. School of Environmental and Resource Sciences，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: WANG Guoming

Received Date: 2012-07-05

Rev Recd Date: 2012-10-30

Publish Date: 2013-08-20

Key words:

Abstract: To compare the drought-resistance of five island tree species，namely, Ilex integra，Machilus thunbergii，Cinnamomum japonicum var. chenii，Eurya emarginata，and Eurya japonica，an experiment was conducted using tree seedlings with different soil drought stress levels. Plant physiological responses to the drought stress were measured. Results showed that the root and shoot biomass decreased as drought increased， but the root-to-shoot ratios（R/S） increased first and then decreased. In addition，chlorophyll content（Chl） decreased as drought stress increased. With severe drought stress，the survival rate was C. japonicum var. chenii ＞ I. integra ＞ M. thunbergii = E. emarginata ＞ E. japonica. A subordinate function used to rank drought-resistance showed: C. japonicum var. chenii ＞ I. integra ＞ M. thunbergii ＞ E. japonica＞E. emarginata . ［Ch，4 tab. 25 ref.］

Growth and physiological characteristics of five island tree species with drought stress

doi: 10.11833/j.issn.2095-0756.2013.04.005

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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