Abstract：
:Pesticides are being detected in water bodies on an increasingly frequent basis. The present study focused on the phytoremediation potential of selected aquatic plants to remove phytosanitary products from contaminated water. We investigated the uptake capacity of Lemna minor (L. minor), Elodea canadensis (E. canadensis) and Cabomba aquatica (C. aquatica) on three pesticides: copper sulphate (fungicide), flazasulfuron (herbicide) and dimethomorph (fungicide). Pesticide toxicity was evaluated by exposing plants to five concentrations (0-1 mg L(-1)) in culture media for 7d using chlorophyll fluorescence as a biomarker. The toxicity of the contaminants was the same for all the aquatic plants studied and occurred in this descending order of toxicity: flazasulfuron>copper>dimethomorph. We found that L. minor had the most efficient uptake capacity, followed by E. canadensis and then C. aquatica. The maximum removal rate (microg g(-1)fresh weight d(-1)) of copper, flazasulfuron and dimethomorph was 30, 27 and 11, respectively.
journal_name
Chemospherejournal_title
Chemosphereauthors
Olette R,Couderchet M,Biagianti S,Eullaffroy Pdoi
10.1016/j.chemosphere.2007.09.016subject
Has Abstractpub_date
2008-02-01 00:00:00pages
1414-21issue
8eissn
0045-6535issn
1879-1298pii
S0045-6535(07)01153-8journal_volume
70pub_type
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