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学科主题: Environmental Sciences
题名: THE FATE OF TRIAZOPHOS IN A HYDROPONIC PHYTOREMEDIATION SYSTEM WITH Canna indica LINN.
作者: Xiao, Huiping2, 3; Cheng, Shuiping1, 2; Li, Zhu2, 4; Zhang, Liping2; Wu, Zhenbin2
通讯作者: Cheng, SP, Tongji Univ, Key Lab Yangtze Aquat Environm, Coll Environm Sci & Engn, 1239 Siping Rd, Shanghai 200092, Peoples R China
关键词: Triazophos ; Canna indica Linn. ; phytoremediation ; dissipation ; degradation products
刊名: FRESENIUS ENVIRONMENTAL BULLETIN
发表日期: 2010
卷: 19, 期:10, 页:2192-2199
收录类别: SCI
文章类型: Article
部门归属: [Cheng, Shuiping] Tongji Univ, Key Lab Yangtze Aquat Environm, Coll Environm Sci & Engn, Shanghai 200092, Peoples R China; [Xiao, Huiping; Cheng, Shuiping; Li, Zhu; Zhang, Liping; Wu, Zhenbin] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China; [Xiao, Huiping] S Cent Univ Nationalities, Dept Environm & Life Sci, Engn & Commerce Coll, Wuhan 430065, Hubei, Peoples R China; [Li, Zhu] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Science Fund of China [20877093]; National Major Program of Science and Technology [2008ZX07316-004]
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
摘要: The fate of triazophos (TAP) in a hydroponic phytoremediation system planted with Canna indica Linn. was investigated. After 7-day exposure, diverse concentrations of TAP were detected in different plant organs, with a maximum in roots to a minimum in leaves, which demonstrated a TAP transport pathway from the root to the shoot. It was also found that more TAP was taken up by plants in this phytoremediation system than in a microbes-inhibited one (p<0.05), illustrating the combination effect of microbes and plants on TAP dissipation. After another 7-day culti-vation in TAP-free solution, the concentrations of TAP in plant organs decreased by 48.4-99.9%, probably due to faster degradation or transportation of TAP through the plant. Analysis with liquid chromatographymass spectrometry indicated that TAP was probably metabolized through a two-phase process in the phytoremediation system, with triazophos oxon, phenyltriazolol, and two conjugated compounds O-ethyl O-glucuronic acid O-(1-phenyl-1H-1,2,4-triazole-3-yl) phosphate and O-ethyl O-glucuronic acid O-(1-phenyl-1H-1,2,4-tria-zole-3-yl) phosphorothioate as products.
英文摘要: The fate of triazophos (TAP) in a hydroponic phytoremediation system planted with Canna indica Linn. was investigated. After 7-day exposure, diverse concentrations of TAP were detected in different plant organs, with a maximum in roots to a minimum in leaves, which demonstrated a TAP transport pathway from the root to the shoot. It was also found that more TAP was taken up by plants in this phytoremediation system than in a microbes-inhibited one (p<0.05), illustrating the combination effect of microbes and plants on TAP dissipation. After another 7-day culti-vation in TAP-free solution, the concentrations of TAP in plant organs decreased by 48.4-99.9%, probably due to faster degradation or transportation of TAP through the plant. Analysis with liquid chromatographymass spectrometry indicated that TAP was probably metabolized through a two-phase process in the phytoremediation system, with triazophos oxon, phenyltriazolol, and two conjugated compounds O-ethyl O-glucuronic acid O-(1-phenyl-1H-1,2,4-triazole-3-yl) phosphate and O-ethyl O-glucuronic acid O-(1-phenyl-1H-1,2,4-tria-zole-3-yl) phosphorothioate as products.
关键词[WOS]: DISSIPATION ; SOIL ; PHOTODEGRADATION ; MICROORGANISMS ; DEGRADATION ; METABOLISM ; ATRAZINE ; PLANTS ; FISH
语种: 英语
WOS记录号: WOS:000284394200009
ISSN号: 1018-4619
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13669
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Tongji Univ, Key Lab Yangtze Aquat Environm, Coll Environm Sci & Engn, Shanghai 200092, Peoples R China
2.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
3.S Cent Univ Nationalities, Dept Environm & Life Sci, Engn & Commerce Coll, Wuhan 430065, Hubei, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Xiao, Huiping; Cheng, Shuiping; Li, Zhu; Zhang, Liping; Wu, Zhenbin.THE FATE OF TRIAZOPHOS IN A HYDROPONIC PHYTOREMEDIATION SYSTEM WITH Canna indica LINN.,FRESENIUS ENVIRONMENTAL BULLETIN,2010,19(10):2192-2199
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