邻苯二甲酸酯在不同品种通菜-土壤系统中的累积效应研究

应用生态学报 ›› 2004, Vol. ›› Issue (8): 1455-1458.

邻苯二甲酸酯在不同品种通菜-土壤系统中的累积效应研究

蔡全英¹, 莫测辉², 曾巧云¹, 李云辉¹, 肖凯恩¹, 李海芹¹, 徐国生¹, 王伯光³, 吴清柱³

1. 华南农业大学资源环境学院, 广州 510642;
2. 暨南大学环境工程学院, 广州 510632;
3. 广州市环境监测中心站, 广州 510030

收稿日期:2003-05-08 修回日期:2004-02-03
通讯作者: 莫测辉
基金资助:
教育部科学技术研究重点项目;广东省自然科学基金项目(021011,036716);广东省科学技术攻关项目(01C21202,03C34505);广东省环保科学技术研究开发项目(粤环0120);广东省教育厅自然科学基金资助项目(Z02004)

Accumulation of di-(2-ethylhexyl) phthalate in various genotype Ipomoea aquatica-paddy soil system

CAI Quanying¹, MO Cehui², ZENG Qiaoyun¹, LI Yunhui¹, XIAO Kai'en¹, LI Haiqin¹, XU Guosheng¹, WANG Boguang³, WU Qingzhu ³

1. College of Resources and Environment, South China Agricultural University, Guangzhou 510642, China;
2. College of Environmental Engineering, Jinan University, Guangzhou 510632, China;
3. Guangzhou Environmental Monitoring Center, Guangzhou 510030, China

Received:2003-05-08 Revised:2004-02-03

摘要/Abstract

摘要： 在邻苯二甲酸(2-乙基己基)酯(DEHP)不同污染程度的水稻土上盆栽不同品种通菜,应用GC/MS联机检测技术研究了通菜-土壤系统中DEHP的环境行为与归宿.结果表明,通菜中DEHP的含量为0.335～12.710 mg·kg^-1,与土壤的污染程度呈正相关.不同品种通菜之间对DEHP的吸收累积效应存在显著差异,与其叶子大小存在一定的正相关关系.种植不同品种通菜后土壤中DEHP的残留量(1.424～19.834 mg·kg^-1)存在显著差异.通菜对土壤中DEHP的BCFs都小于1.0,与土壤的污染程度呈负相关.不同通菜品种的BCFs之间存在显著差异,中等叶子通菜品种的BCFs相对较大.

关键词: 邻苯二甲酸双(2-乙基己基)酯(DEHP), 通菜, 水稻土, 累积效应

Abstract: Various genotypes of Ipomoea aquatica were pot-cultured on paddy soils with different pollution level of di-(2-ethylhexyl) phthalate (DEHP),and the concentrations of DEHP in plant and soil were determined by GC/MS.The results showed that the concentration of DEHP in plant varied directly with soil pollution level,and different genotypes of Ipomoea aquatica had significantly different concentrations of DEHP,which varied directly with leaf area.Soils grown with various genotypes of Ipomoea aquatica also had significantly different DEHP concentrations.The soil DEHP bioaccumulation factors (BCFs) of various Ipomoea aquatica genotypes were all under 1.0 and in inverse proportion to soil pollution level.The BCFs varied significantly among the genotypes of Ipomoea aquatica,with a relatively higher value for those genotypes with middle size leaves.

Key words: di(2-ethylhexyl) phthalate (DEHP), Ipomoea aquatica, Paddy soil, Accumulation

中图分类号:

X523

蔡全英, 莫测辉, 曾巧云, 李云辉, 肖凯恩, 李海芹, 徐国生, 王伯光, 吴清柱. 邻苯二甲酸酯在不同品种通菜-土壤系统中的累积效应研究[J]. 应用生态学报, 2004, (8): 1455-1458.

CAI Quanying, MO Cehui, ZENG Qiaoyun, LI Yunhui, XIAO Kai'en, LI Haiqin, XU Guosheng, WANG Boguang, WU Qingzhu . Accumulation of di-(2-ethylhexyl) phthalate in various genotype Ipomoea aquatica-paddy soil system[J]. Chinese Journal of Applied Ecology, 2004, (8): 1455-1458.

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