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Chlorpyrifos insecticide uptake by plantain from polluted water and soil
Faculty
Engineering
Year:
2013
Type of Publication:
Article
Pages:
163-170
Authors:
Romeh, Ahmed Ali, Hendawi, Mohammed Yousef
DOI:
10.1007/s10311-012-0392-0
Journal:
ENVIRONMENTAL CHEMISTRY LETTERS SPRINGER HEIDELBERG
Volume:
11
Research Area:
Chemistry; Engineering; Environmental Sciences \& Ecology
ISSN
ISI:000319348700008
Keywords :
Phytoremediation, Broadleaf plantain plant, Soil, Water, Chlorpyrifos
Abstract:
Chlorpyrifos is a common organophosphorus insecticide used for crop protection. Chlorpyrifos use has induced heath issues and water pollution. Such issues may be solved by phytoremediation, which is the use of plants for the cleanup of pollutants. Here, we tested Plantago major L. to clean water and soils under laboratory conditions. Results show that the concentration of chlorpyrifos residues after 5 days exposure reached 36.86 mu g/g in roots and 13.93 mu g/g in upper plant tissues. Gas chromatography-mass spectrometry (GC-MS) analysis of chlorpyrifos metabolites suggests the formation of 3, 5, 6-trichloro-2-pyridinol (TCP) and diethyl 3,5,6-trichloropyridin-2-yl phosphate (chlorpyrifos-oxon). Chlorpyrifos-oxon was detected in the roots and the leaves after 2 h of testing. After 24 h of testing, the degradation product chlorpyrifos-oxon increased in the roots and the leaves then decreased gradually until the end of testing. TCP levels increased gradually to 192 h then decreased until the end of testing.
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