Photosynthesis and water use characteristics of <em>Cinnamomum camphora</em> seedlings with simulated acid rain

ZHAO Weiwei; JIANG Hong; MA Yuandan

doi:10.11833/j.issn.2095-0756.2013.02.004

Volume 30 Issue 2

Mar. 2013

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ZHAO Weiwei, JIANG Hong, MA Yuandan. Photosynthesis and water use characteristics of Cinnamomum camphora seedlings with simulated acid rain[J]. Journal of Zhejiang A&F University, 2013, 30(2): 179-186. doi: 10.11833/j.issn.2095-0756.2013.02.004

Citation:

ZHAO Weiwei, JIANG Hong, MA Yuandan. Photosynthesis and water use characteristics of Cinnamomum camphora seedlings with simulated acid rain[J]. Journal of Zhejiang A&F University, 2013, 30(2): 179-186. doi: 10.11833/j.issn.2095-0756.2013.02.004

Photosynthesis and water use characteristics of Cinnamomum camphora seedlings with simulated acid rain

doi: 10.11833/j.issn.2095-0756.2013.02.004

1.
The Nurturing Station for the State Key Laboratory of Subtropical Silviculture ＆ Zhejiang Provincial Key Laboratory of Carbon Cycling in Forest Ecosystems and Carbon Sequestration，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;
2.
International Institute for Earth System Science，Nanjing University，Nanjing 210093，Jiangsu，China

More Information

Corresponding author: JIANG Hong
Received Date: 2012-04-05
Rev Recd Date: 2012-05-25
Publish Date: 2013-04-20

Abstract

To study the physiological characteristics of water in Cinnamomum camphora seedlings with acid rain treatments, a three-year pot experiment was conducted on photosynthetic rate （Pn），stomata conductance （Gs），transpiration rate （Tr），and water use efficiency （WUE） for simulated acid rain treatments of pH 2.5 （severe） and pH 4.0 （moderate） with water （pH 5.6） as the control. Results showed that acid rain significantly affected Pn，Gs，Tr and WUE. In the initial stage of treatment，acid rain of pH 4.0 positively affected the photosynthetic rate Pn and Gs. In the autumn of year two，Pn and Tr were greatest with acid rain treatments in the order of pH 4.0 ＞ pH 5.6 ＞ pH 2.5. WUE in summer increased as pH increased，but not in autumn. Season，year，acid rain，interactions of season and year，and interactions of the three factors were significant for Pn，Gs，Tr and WUE. The interaction of acid rain and season on stomata conductance （Gs） was not significant （P ＞ 0.05） but was significant （P ＜ 0.01） for Tr，Pn and WUE.［Ch，4 fig. 1 tab. 27 ref.］
- forest ecology,
- imulated acid rain,
- Cinnamomum camphora,
- seedlings,
- photosynthesis,
- water use efficiency

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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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Photosynthesis and water use characteristics of Cinnamomum camphora seedlings with simulated acid rain

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture ＆ Zhejiang Provincial Key Laboratory of Carbon Cycling in Forest Ecosystems and Carbon Sequestration，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;

2. International Institute for Earth System Science，Nanjing University，Nanjing 210093，Jiangsu，China

Corresponding author: JIANG Hong

Received Date: 2012-04-05

Rev Recd Date: 2012-05-25

Publish Date: 2013-04-20

Key words:

Abstract: To study the physiological characteristics of water in Cinnamomum camphora seedlings with acid rain treatments, a three-year pot experiment was conducted on photosynthetic rate （Pn），stomata conductance （Gs），transpiration rate （Tr），and water use efficiency （WUE） for simulated acid rain treatments of pH 2.5 （severe） and pH 4.0 （moderate） with water （pH 5.6） as the control. Results showed that acid rain significantly affected Pn，Gs，Tr and WUE. In the initial stage of treatment，acid rain of pH 4.0 positively affected the photosynthetic rate Pn and Gs. In the autumn of year two，Pn and Tr were greatest with acid rain treatments in the order of pH 4.0 ＞ pH 5.6 ＞ pH 2.5. WUE in summer increased as pH increased，but not in autumn. Season，year，acid rain，interactions of season and year，and interactions of the three factors were significant for Pn，Gs，Tr and WUE. The interaction of acid rain and season on stomata conductance （Gs） was not significant （P ＞ 0.05） but was significant （P ＜ 0.01） for Tr，Pn and WUE.［Ch，4 fig. 1 tab. 27 ref.］

Photosynthesis and water use characteristics of Cinnamomum camphora seedlings with simulated acid rain

doi: 10.11833/j.issn.2095-0756.2013.02.004

Abstract

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Photosynthesis and water use characteristics of Cinnamomum camphora seedlings with simulated acid rain

doi: 10.11833/j.issn.2095-0756.2013.02.004

Corresponding author: JIANG Hong

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Photosynthesis and water use characteristics of Cinnamomum camphora seedlings with simulated acid rain

doi: 10.11833/j.issn.2095-0756.2013.02.004

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Photosynthesis and water use characteristics of Cinnamomum camphora seedlings with simulated acid rain

doi: 10.11833/j.issn.2095-0756.2013.02.004

Corresponding author: JIANG Hong

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