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Effect of Excess Iron and Copper on Physiology of Aquatic Plant Spirodela polyrrhiza (L.) Schleid
Xing, Wei; Huang, Wenmin; Liu, Guihua; Liu, GH, Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Peoples R China
2010
Source PublicationENVIRONMENTAL TOXICOLOGY
Volume25Issue:2Pages:103-112
AbstractTo elucidate effect of chemical reagents addition on growth of aquatic plants in restoration of aquatic ecosystem, Spirodela polyrrhiza (L.) Schleid was used to evaluate its physiological responses to excess iron (Fe3+) and copper (Cu2+) in the study. Results showed that accumulation of iron and copper both reached maximum at 100 mg L-1 iron or copper after 24 h short-term stress, but excess iron and copper caused plants necrosis or death and colonies disintegration as well as roots abscission at excess metal concentrations except for 1 mg L-1 iron. Significant differences in chlorophyll fluorescence (Fv/Fm) were observed at 1-100 mg L-1 iron or copper. The synthesis of chlorophyll and protein as well as carbohydrate and the uptake of phosphate and nitrogen were inhibited seriously by excess iron and copper. Proline content decreased with increasing iron or copper concentration, however, MDA content increased with increasing iron or copper concentration. (C) 2009 Wiley Periodicals, Inc. Environ Toxicol 25: 103-112, 2010.
KeywordIron Copper Physiological Response Aquatic Plant Chemical Reagent
Department[Xing, Wei; Liu, Guihua] Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Peoples R China; [Huang, Wenmin] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
Subject AreaEnvironmental Sciences ; Toxicology ; Water Resources
Funding OrganizationNational Key Technology RD program [2006BAC10B02]; Chinese Academy of Sciences [0754531 L02] ; National Key Technology RD program [2006BAC10B02]; Chinese Academy of Sciences [0754531 L02] ; National Key Technology RD program [2006BAC10B02]; Chinese Academy of Sciences [0754531 L02] ; National Key Technology RD program [2006BAC10B02]; Chinese Academy of Sciences [0754531 L02]
Indexed BySCI
WOS IDWOS:000275804800001
Funding OrganizationNational Key Technology RD program [2006BAC10B02]; Chinese Academy of Sciences [0754531 L02] ; National Key Technology RD program [2006BAC10B02]; Chinese Academy of Sciences [0754531 L02] ; National Key Technology RD program [2006BAC10B02]; Chinese Academy of Sciences [0754531 L02] ; National Key Technology RD program [2006BAC10B02]; Chinese Academy of Sciences [0754531 L02]
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13858
Collection水环境工程研究中心_期刊论文
Corresponding AuthorLiu, GH, Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Peoples R China
Recommended Citation
GB/T 7714
Xing, Wei,Huang, Wenmin,Liu, Guihua,et al. Effect of Excess Iron and Copper on Physiology of Aquatic Plant Spirodela polyrrhiza (L.) Schleid[J]. ENVIRONMENTAL TOXICOLOGY,2010,25(2):103-112.
APA Xing, Wei,Huang, Wenmin,Liu, Guihua,&Liu, GH, Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Peoples R China.(2010).Effect of Excess Iron and Copper on Physiology of Aquatic Plant Spirodela polyrrhiza (L.) Schleid.ENVIRONMENTAL TOXICOLOGY,25(2),103-112.
MLA Xing, Wei,et al."Effect of Excess Iron and Copper on Physiology of Aquatic Plant Spirodela polyrrhiza (L.) Schleid".ENVIRONMENTAL TOXICOLOGY 25.2(2010):103-112.
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