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EFFECTS OF SALINITY STRESS ON THE PHOTOSYNTHESIS OF Wolffia arrhiza AS PROBED BY THE OJIP TEST
Wang, Gaohong; Chen, Lanzhou; Hao, Zongjie; Li, Xiaoyan; Liu, Yongding; Liu, YD, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; space@ihb.ac.cn
2011
Source PublicationFRESENIUS ENVIRONMENTAL BULLETIN
Volume20Issue:2APages:432-438
AbstractIn the present study, we investigated the effects of salinity stress, one of the main stress in polluted water bodies, on the photosynthetic activity of Wolffia arrhiza. High salinity stress (1-4%) significantly decreased photosynthetic CO2 assimilation activity, while the chlorophyll a, chlorophyll b and carotenoid contents were not affected after treatment with salinity stress for 24 h. The fluorescence yields at phases J, I and P were clearly decreased by salinity stress above 1%, and the addition of DCMU to the control resulted in the transformation of an O-J-I-P ris e into an 04 rise. Salinity stress decreased the quantum yield of primary photochemistry (phi Po), the quantum yield of electron transport (phi Eo) and the efficiency per trapped excitation (Psi o) in Wolffia arrhiza simultaneously; the number of active PSII reaction centers per excited cross section (RC/CS), the total number of active reaction centers per absorption (RC/ABS) and the performance index of PSII (PIABS and PICS) were also reduced by salinity. These results indicated that the effects of salinity stress on the photosynthesis of Wolffia arrhiza may function by the inhibition electron transport and inactivation of the reaction centers, but the inhibition may occur in the electron transport pathway at the donor and acceptor sides of PSII in Wolffia arrhiza, which is different to that of salt-resistant plants.
KeywordSalinity Photosynthesis Chlorophyll a Fluorescence Wolffia Arrhiza
Department[Wang, Gaohong; Hao, Zongjie; Li, Xiaoyan; Liu, Yongding] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Chen, Lanzhou] Wuhan Univ, Coll Resource & Environm Sci, Wuhan 430070, Peoples R China; [Hao, Zongjie] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Subject AreaEnvironmental Sciences
Funding OrganizationChinese Natural Science Foundation [30400093, 30970688, 30970446]; National Major Programs of Water Body Pollution Control and Remediation [2008ZX07105-005, 2009ZX07104-005-02]; Project of Chinese Manned Spaceflight ; Chinese Natural Science Foundation [30400093, 30970688, 30970446]; National Major Programs of Water Body Pollution Control and Remediation [2008ZX07105-005, 2009ZX07104-005-02]; Project of Chinese Manned Spaceflight ; Chinese Natural Science Foundation [30400093, 30970688, 30970446]; National Major Programs of Water Body Pollution Control and Remediation [2008ZX07105-005, 2009ZX07104-005-02]; Project of Chinese Manned Spaceflight ; Chinese Natural Science Foundation [30400093, 30970688, 30970446]; National Major Programs of Water Body Pollution Control and Remediation [2008ZX07105-005, 2009ZX07104-005-02]; Project of Chinese Manned Spaceflight
Indexed BySCI
Language英语
WOS IDWOS:000289040400003
Funding OrganizationChinese Natural Science Foundation [30400093, 30970688, 30970446]; National Major Programs of Water Body Pollution Control and Remediation [2008ZX07105-005, 2009ZX07104-005-02]; Project of Chinese Manned Spaceflight ; Chinese Natural Science Foundation [30400093, 30970688, 30970446]; National Major Programs of Water Body Pollution Control and Remediation [2008ZX07105-005, 2009ZX07104-005-02]; Project of Chinese Manned Spaceflight ; Chinese Natural Science Foundation [30400093, 30970688, 30970446]; National Major Programs of Water Body Pollution Control and Remediation [2008ZX07105-005, 2009ZX07104-005-02]; Project of Chinese Manned Spaceflight ; Chinese Natural Science Foundation [30400093, 30970688, 30970446]; National Major Programs of Water Body Pollution Control and Remediation [2008ZX07105-005, 2009ZX07104-005-02]; Project of Chinese Manned Spaceflight
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/15652
Collection水环境工程研究中心_期刊论文
Corresponding AuthorLiu, YD, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; space@ihb.ac.cn
Recommended Citation
GB/T 7714
Wang, Gaohong,Chen, Lanzhou,Hao, Zongjie,et al. EFFECTS OF SALINITY STRESS ON THE PHOTOSYNTHESIS OF Wolffia arrhiza AS PROBED BY THE OJIP TEST[J]. FRESENIUS ENVIRONMENTAL BULLETIN,2011,20(2A):432-438.
APA Wang, Gaohong.,Chen, Lanzhou.,Hao, Zongjie.,Li, Xiaoyan.,Liu, Yongding.,...&space@ihb.ac.cn.(2011).EFFECTS OF SALINITY STRESS ON THE PHOTOSYNTHESIS OF Wolffia arrhiza AS PROBED BY THE OJIP TEST.FRESENIUS ENVIRONMENTAL BULLETIN,20(2A),432-438.
MLA Wang, Gaohong,et al."EFFECTS OF SALINITY STRESS ON THE PHOTOSYNTHESIS OF Wolffia arrhiza AS PROBED BY THE OJIP TEST".FRESENIUS ENVIRONMENTAL BULLETIN 20.2A(2011):432-438.
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