Copper resistance of the evergreen dwarf shrub Arctostaphylos uva-ursi: an experimental exposure.
Identifieur interne : 003863 ( Main/Corpus ); précédent : 003862; suivant : 003864Copper resistance of the evergreen dwarf shrub Arctostaphylos uva-ursi: an experimental exposure.
Auteurs : Maija Salemaa ; Satu MonniSource :
- Environmental pollution (Barking, Essex : 1987) [ 0269-7491 ] ; 2003.
English descriptors
- KwdEn :
- MESH :
- chemical , toxicity : Copper, Soil Pollutants.
- drug effects : Arctostaphylos, Plant Roots, Plant Shoots.
- growth & development : Arctostaphylos, Plant Roots, Plant Shoots.
- methods : Environmental Monitoring.
- Biomass.
Abstract
The copper (Cu) resistance of Arctostaphylos uva-ursi was tested in a pot experiment (lasting 8 weeks) using rooted cuttings originating from an area near the Harjavalta Cu-Ni smelter, SW Finland. The fine roots were moderately infected by arbutoid mycorrhizae. The plants were exposed to five Cu levels (1, 10, 22, 46 and 100 mg l(-1)) given repeatedly together with a nutrient solution. The critical Cu concentration in the nutrient solution inhibiting the growth of A. uva-ursi was below 10 mg l(-1) Cu (EC(50) value for biomass production 3.3 mg l(-1) Cu). This concentration was clearly lower than the value we have found earlier for other dwarf shrubs under similar experimental conditions. Most of the Cu given accumulated in the roots and old stems. The results suggest that A. uva-ursi cuttings were relatively sensitive to Cu despite the ability of the adult clones to grow in Cu-contaminated soil. The adult clones extend their roots into the less toxic deeper soil layers, which may facilitate the avoidance of heavy metals.
DOI: 10.1016/s0269-7491(03)00235-5
PubMed: 12963307
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pubmed:12963307Le document en format XML
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The fine roots were moderately infected by arbutoid mycorrhizae. The plants were exposed to five Cu levels (1, 10, 22, 46 and 100 mg l(-1)) given repeatedly together with a nutrient solution. The critical Cu concentration in the nutrient solution inhibiting the growth of A. uva-ursi was below 10 mg l(-1) Cu (EC(50) value for biomass production 3.3 mg l(-1) Cu). This concentration was clearly lower than the value we have found earlier for other dwarf shrubs under similar experimental conditions. Most of the Cu given accumulated in the roots and old stems. The results suggest that A. uva-ursi cuttings were relatively sensitive to Cu despite the ability of the adult clones to grow in Cu-contaminated soil. The adult clones extend their roots into the less toxic deeper soil layers, which may facilitate the avoidance of heavy metals.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12963307</PMID><DateCompleted><Year>2003</Year><Month>12</Month><Day>11</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>01</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0269-7491</ISSN><JournalIssue CitedMedium="Print"><Volume>126</Volume><Issue>3</Issue><PubDate><Year>2003</Year></PubDate></JournalIssue><Title>Environmental pollution (Barking, Essex : 1987)</Title><ISOAbbreviation>Environ Pollut</ISOAbbreviation></Journal><ArticleTitle>Copper resistance of the evergreen dwarf shrub Arctostaphylos uva-ursi: an experimental exposure.</ArticleTitle><Pagination><MedlinePgn>435-43</MedlinePgn></Pagination><Abstract><AbstractText>The copper (Cu) resistance of Arctostaphylos uva-ursi was tested in a pot experiment (lasting 8 weeks) using rooted cuttings originating from an area near the Harjavalta Cu-Ni smelter, SW Finland. The fine roots were moderately infected by arbutoid mycorrhizae. The plants were exposed to five Cu levels (1, 10, 22, 46 and 100 mg l(-1)) given repeatedly together with a nutrient solution. The critical Cu concentration in the nutrient solution inhibiting the growth of A. uva-ursi was below 10 mg l(-1) Cu (EC(50) value for biomass production 3.3 mg l(-1) Cu). This concentration was clearly lower than the value we have found earlier for other dwarf shrubs under similar experimental conditions. Most of the Cu given accumulated in the roots and old stems. The results suggest that A. uva-ursi cuttings were relatively sensitive to Cu despite the ability of the adult clones to grow in Cu-contaminated soil. The adult clones extend their roots into the less toxic deeper soil layers, which may facilitate the avoidance of heavy metals.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Salemaa</LastName><ForeName>Maija</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Vantaa Research Centre, The Finnish Forest Research Institute, PO Box 18, FIN-01301 Vantaa, Finland. maija.salemaa@metla.fi</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Monni</LastName><ForeName>Satu</ForeName><Initials>S</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Environ Pollut</MedlineTA><NlmUniqueID>8804476</NlmUniqueID><ISSNLinking>0269-7491</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012989">Soil Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>789U1901C5</RegistryNumber><NameOfSubstance UI="D003300">Copper</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D029792" MajorTopicYN="N">Arctostaphylos</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003300" MajorTopicYN="N">Copper</DescriptorName><QualifierName UI="Q000633" MajorTopicYN="Y">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004784" MajorTopicYN="N">Environmental Monitoring</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018520" MajorTopicYN="N">Plant Shoots</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012989" MajorTopicYN="N">Soil Pollutants</DescriptorName><QualifierName UI="Q000633" MajorTopicYN="Y">toxicity</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2003</Year><Month>9</Month><Day>10</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2003</Year><Month>12</Month><Day>12</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2003</Year><Month>9</Month><Day>10</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12963307</ArticleId><ArticleId IdType="pii">S0269749103002355</ArticleId><ArticleId IdType="doi">10.1016/s0269-7491(03)00235-5</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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