Uptake, accumulation, phytotoxicity, and removal of 2,4-dichlorophenol in willow trees.
Identifieur interne : 001999 ( Main/Exploration ); précédent : 001998; suivant : 001A00Uptake, accumulation, phytotoxicity, and removal of 2,4-dichlorophenol in willow trees.
Auteurs : Ahmed Suheyl Ucisik [Danemark] ; Stefan Trapp ; Kresten Ole KuskSource :
- Environmental toxicology and chemistry [ 0730-7268 ] ; 2007.
Descripteurs français
- KwdFr :
- Assainissement et restauration de l'environnement (méthodes), Chlorophénols (isolement et purification), Chlorophénols (métabolisme), Chlorophénols (toxicité), Racines de plante (métabolisme), Relation dose-effet des médicaments (MeSH), Salix (effets des médicaments et des substances chimiques), Salix (métabolisme).
- MESH :
- effets des médicaments et des substances chimiques : Salix.
- isolement et purification : Chlorophénols.
- métabolisme : Chlorophénols, Racines de plante, Salix.
- méthodes : Assainissement et restauration de l'environnement.
- toxicité : Chlorophénols.
- Relation dose-effet des médicaments.
English descriptors
- KwdEn :
- MESH :
- chemical , isolation & purification : Chlorophenols.
- chemical , metabolism : Chlorophenols.
- chemical , toxicity : Chlorophenols.
- drug effects : Salix.
- metabolism : Plant Roots, Salix.
- methods : Environmental Restoration and Remediation.
- Dose-Response Relationship, Drug.
Abstract
The relation between uptake, accumulation, toxicity and removal of 2,4-dichlorophenol (2,4-DCP) in willow trees (Salix viminalis) and the feasibility of implementing phytoremediation as a treatment method for 2,4-DCP contamination in wastewater and soil were investigated. Willows were exposed to various 2,4-DCP concentrations between 5 and 150 mg/L in hydroponic solution and between 9.1 and 44.4 mg/L in sand under constant illumination. The transpiration of the trees was used to determine toxic effects. In both hydroponic solution and sand, severe inhibition of transpiration started approximately at 2,4-DCP concentrations of 20 mg/L. Accumulation in willows was increased with higher concentrations. In surviving trees, the loss of chemical from the system was above 65%. In experiments performed without trees, the mass loss of 2,4-DCP was only 8 to 14%. For trees with detached roots, there was a significantly higher amount of 2,4-DCP remaining in the nutrient solution at the end of the experiment compared to experiments with the intact trees. The results indicate that degradation in the root zone, either by root cells or associated microorganisms, is the main reason for the removal of 2,4-DCP from the media. Phytoremediation of 2,4-DCP with willow trees does not seem to be a remediation option because of its high toxicity to trees and the limited removal efficiency.
DOI: 10.1897/06-353r1.1
PubMed: 17571681
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Lyngby</wicri:noRegion></affiliation></author><author><name sortKey="Trapp, Stefan" sort="Trapp, Stefan" uniqKey="Trapp S" first="Stefan" last="Trapp">Stefan Trapp</name></author><author><name sortKey="Kusk, Kresten Ole" sort="Kusk, Kresten Ole" uniqKey="Kusk K" first="Kresten Ole" last="Kusk">Kresten Ole Kusk</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2007">2007</date><idno type="RBID">pubmed:17571681</idno><idno type="pmid">17571681</idno><idno type="doi">10.1897/06-353r1.1</idno><idno type="wicri:Area/Main/Corpus">001A38</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001A38</idno><idno type="wicri:Area/Main/Curation">001A38</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">001A38</idno><idno type="wicri:Area/Main/Exploration">001A38</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Uptake, accumulation, phytotoxicity, and removal of 2,4-dichlorophenol in willow trees.</title><author><name sortKey="Ucisik, Ahmed Suheyl" sort="Ucisik, Ahmed Suheyl" uniqKey="Ucisik A" first="Ahmed Suheyl" last="Ucisik">Ahmed Suheyl Ucisik</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Environment and Resources, Technical University of Denmark, Bygningstorvet 115, DK-2800 Kgs. 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Willows were exposed to various 2,4-DCP concentrations between 5 and 150 mg/L in hydroponic solution and between 9.1 and 44.4 mg/L in sand under constant illumination. The transpiration of the trees was used to determine toxic effects. In both hydroponic solution and sand, severe inhibition of transpiration started approximately at 2,4-DCP concentrations of 20 mg/L. Accumulation in willows was increased with higher concentrations. In surviving trees, the loss of chemical from the system was above 65%. In experiments performed without trees, the mass loss of 2,4-DCP was only 8 to 14%. For trees with detached roots, there was a significantly higher amount of 2,4-DCP remaining in the nutrient solution at the end of the experiment compared to experiments with the intact trees. The results indicate that degradation in the root zone, either by root cells or associated microorganisms, is the main reason for the removal of 2,4-DCP from the media. Phytoremediation of 2,4-DCP with willow trees does not seem to be a remediation option because of its high toxicity to trees and the limited removal efficiency.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17571681</PMID><DateCompleted><Year>2007</Year><Month>07</Month><Day>10</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>17</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0730-7268</ISSN><JournalIssue CitedMedium="Print"><Volume>26</Volume><Issue>6</Issue><PubDate><Year>2007</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Environmental toxicology and chemistry</Title><ISOAbbreviation>Environ Toxicol Chem</ISOAbbreviation></Journal><ArticleTitle>Uptake, accumulation, phytotoxicity, and removal of 2,4-dichlorophenol in willow trees.</ArticleTitle><Pagination><MedlinePgn>1165-71</MedlinePgn></Pagination><Abstract><AbstractText>The relation between uptake, accumulation, toxicity and removal of 2,4-dichlorophenol (2,4-DCP) in willow trees (Salix viminalis) and the feasibility of implementing phytoremediation as a treatment method for 2,4-DCP contamination in wastewater and soil were investigated. Willows were exposed to various 2,4-DCP concentrations between 5 and 150 mg/L in hydroponic solution and between 9.1 and 44.4 mg/L in sand under constant illumination. The transpiration of the trees was used to determine toxic effects. In both hydroponic solution and sand, severe inhibition of transpiration started approximately at 2,4-DCP concentrations of 20 mg/L. Accumulation in willows was increased with higher concentrations. In surviving trees, the loss of chemical from the system was above 65%. In experiments performed without trees, the mass loss of 2,4-DCP was only 8 to 14%. For trees with detached roots, there was a significantly higher amount of 2,4-DCP remaining in the nutrient solution at the end of the experiment compared to experiments with the intact trees. The results indicate that degradation in the root zone, either by root cells or associated microorganisms, is the main reason for the removal of 2,4-DCP from the media. Phytoremediation of 2,4-DCP with willow trees does not seem to be a remediation option because of its high toxicity to trees and the limited removal efficiency.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ucisik</LastName><ForeName>Ahmed Suheyl</ForeName><Initials>AS</Initials><AffiliationInfo><Affiliation>Institute of Environment and Resources, Technical University of Denmark, Bygningstorvet 115, DK-2800 Kgs. 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