Chlorophyll fluorescence characteristics with simulated acid rain and light intensity treatments for <em>Dicranopteris dichotoma</em>

Lv Chengxiang; ZHANG Mingru; ZOU Lingli

doi:10.11833/j.issn.2095-0756.2015.01.008

Volume 32 Issue 1

Jan. 2015

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Lv Chengxiang, ZHANG Mingru, ZOU Lingli. Chlorophyll fluorescence characteristics with simulated acid rain and light intensity treatments for Dicranopteris dichotoma[J]. Journal of Zhejiang A&F University, 2015, 32(1): 52-59. doi: 10.11833/j.issn.2095-0756.2015.01.008

Citation:

Lv Chengxiang, ZHANG Mingru, ZOU Lingli. Chlorophyll fluorescence characteristics with simulated acid rain and light intensity treatments for Dicranopteris dichotoma[J]. Journal of Zhejiang A&F University, 2015, 32(1): 52-59. doi: 10.11833/j.issn.2095-0756.2015.01.008

Chlorophyll fluorescence characteristics with simulated acid rain and light intensity treatments for Dicranopteris dichotoma

doi: 10.11833/j.issn.2095-0756.2015.01.008

1.
School of Forestry and Biotechnology, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;
2.
School of Landscape and Architecture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

Received Date: 2014-03-05
Rev Recd Date: 2014-03-31
Publish Date: 2015-02-20

Abstract

The effects of a light intensity gradient and acid rain on chlorophyll fluorescence parameters and pigment content of Dicranopteris dichotoma were studied using treatments of four different light gradients （shading of 80%, 50%, 30%, and full sun） and pH levels （pH 3.0, pH 4.0, pH 5.6 and pH 7.0）. Results showed that with pH 4.0 and pH 5.6 treatments, the actual photochemistry efficiency of PS Ⅱ（Yield）, photochemistry efficiency of PS Ⅱ（Fv /Fm）, potential activity of PS Ⅱ（Fv /Fo）, chlorophyll a （Chla）, chlorophyll b （Chlb）, total chlorophyll （Ct）, and carotenoid （Car） content of D. dichotoma increased; whereas these parameters decreased with the pH 3.0 treatment. The chlorophyll fluorescence parameters Yield, Fv /Fm, and Fv /Foincreased with shading. Yield with 80% shading was significantly than 30% shading （P＜0.05）. Chla, Chlb, Ct, and Car content were also significantly greater （P＜0.05）. For pigment content and fluorescence parameters, the effects of light intensity and acid rain stress had no significant interactions, and light intensity had a significantly greater effect on the parameters than acid rain stress. Therefore, acidic liquids of pH 5.6 and pH 4.0 with shading of 80%, 50%, and 30% promoted chlorophyll content and fluorescence parameters, and as the degree of shading increased the chlorophyll content and chlorophyll fluorescence parameters also increased.［Ch, 3 fig. 2 tab. 25 ref.］
- botany,
- Dicranopteris dichotoma,
- simulated acid rain,
- shading,
- chlorophyll fluorescence,
- pigment

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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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Chlorophyll fluorescence characteristics with simulated acid rain and light intensity treatments for Dicranopteris dichotoma

1. School of Forestry and Biotechnology, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;

2. School of Landscape and Architecture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

Received Date: 2014-03-05

Rev Recd Date: 2014-03-31

Publish Date: 2015-02-20

Key words:

Abstract: The effects of a light intensity gradient and acid rain on chlorophyll fluorescence parameters and pigment content of Dicranopteris dichotoma were studied using treatments of four different light gradients （shading of 80%, 50%, 30%, and full sun） and pH levels （pH 3.0, pH 4.0, pH 5.6 and pH 7.0）. Results showed that with pH 4.0 and pH 5.6 treatments, the actual photochemistry efficiency of PS Ⅱ（Yield）, photochemistry efficiency of PS Ⅱ（Fv /Fm）, potential activity of PS Ⅱ（Fv /Fo）, chlorophyll a （Chla）, chlorophyll b （Chlb）, total chlorophyll （Ct）, and carotenoid （Car） content of D. dichotoma increased; whereas these parameters decreased with the pH 3.0 treatment. The chlorophyll fluorescence parameters Yield, Fv /Fm, and Fv /Foincreased with shading. Yield with 80% shading was significantly than 30% shading （P＜0.05）. Chla, Chlb, Ct, and Car content were also significantly greater （P＜0.05）. For pigment content and fluorescence parameters, the effects of light intensity and acid rain stress had no significant interactions, and light intensity had a significantly greater effect on the parameters than acid rain stress. Therefore, acidic liquids of pH 5.6 and pH 4.0 with shading of 80%, 50%, and 30% promoted chlorophyll content and fluorescence parameters, and as the degree of shading increased the chlorophyll content and chlorophyll fluorescence parameters also increased.［Ch, 3 fig. 2 tab. 25 ref.］

Chlorophyll fluorescence characteristics with simulated acid rain and light intensity treatments for Dicranopteris dichotoma

doi: 10.11833/j.issn.2095-0756.2015.01.008

Abstract

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Chlorophyll fluorescence characteristics with simulated acid rain and light intensity treatments for Dicranopteris dichotoma

doi: 10.11833/j.issn.2095-0756.2015.01.008

1. School of Forestry and Biotechnology, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;

2. School of Landscape and Architecture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

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Chlorophyll fluorescence characteristics with simulated acid rain and light intensity treatments for Dicranopteris dichotoma

doi: 10.11833/j.issn.2095-0756.2015.01.008

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通讯作者: 陈斌, bchen63@163.com

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Chlorophyll fluorescence characteristics with simulated acid rain and light intensity treatments for Dicranopteris dichotoma

doi: 10.11833/j.issn.2095-0756.2015.01.008

1. School of Forestry and Biotechnology, Zhejiang A & F University, Lin’an 311300, Zhejiang, China; 2. School of Landscape and Architecture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

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1. School of Forestry and Biotechnology, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;

2. School of Landscape and Architecture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China