Degradation of Polychlorinated Biphenyls in the Rhizosphere of Rape, Brassica napus L.

被引：22

作者：

Javorska, Hana ^{[1
]}

Tlustos, Pavel ^{[1
]}

Kaliszova, Regina ^{[1
]}

机构：

[1] Czech Univ Life Sci Prague, Dept Agroenvironm Chem & Plant Nutr, Prague 16521 6, Suchdol, Czech Republic

来源：

BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2009年 / 82卷 / 06期

关键词：

PCB congeners; Soil; Rhizosphere; Phytoremediation; SOIL; PHYTOREMEDIATION; VEGETABLES; PLANTS;

D O I：

10.1007/s00128-009-9691-y

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The objective of this study was to investigate the rhizosphere effect of rape plants on polychlorinated biphenyls (PCB) dissipation in soils spiked with seven indicator congeners. Depletion of PCB in the rhizosphere was significantly higher in the soil with lower organic matter content. While in the Chernozem soil, 87% of PCB related to bulk soil were found in the 1st mm from roots, only 62%-69% were found in the Fluvisol soil with no significant influence of increased initial PCB concentration. Further from the roots, the concentration of lower chlorinated congeners decreased, which indicates their greater biodegradation in comparison with more chlorinated ones.

引用

页码：727 / 731

页数：5

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