Physiological traits of two Populus x euramericana clones, Luisa Avanzo and Dorskamp, during a water stress and re-watering cycle.
Identifieur interne : 004545 ( Main/Exploration ); précédent : 004544; suivant : 004546Physiological traits of two Populus x euramericana clones, Luisa Avanzo and Dorskamp, during a water stress and re-watering cycle.
Auteurs : Nicolas Marron [France] ; Didier Delay ; Jean-Michel Petit ; Erwin Dreyer ; Guy Kahlem ; Francis M. Delmotte ; Franck BrignolasSource :
- Tree physiology [ 0829-318X ] ; 2002.
Descripteurs français
- KwdFr :
- Antioxydants (analyse), Arbres (composition chimique), Arbres (physiologie), Azote (analyse), Chlorophylle (analyse), Déshydratation (MeSH), Eau (physiologie), Feuilles de plante (composition chimique), Feuilles de plante (physiologie), Flavonols (MeSH), Flavonoïdes (analyse), Glucides (analyse), Phénols (analyse), Populus (composition chimique), Populus (physiologie), Transpiration des plantes (physiologie).
- MESH :
- analyse : Antioxydants, Azote, Chlorophylle, Flavonoïdes, Glucides, Phénols.
- composition chimique : Arbres, Feuilles de plante, Populus.
- physiologie : Arbres, Eau, Feuilles de plante, Populus, Transpiration des plantes.
- Déshydratation, Flavonols.
English descriptors
- KwdEn :
- Antioxidants (analysis), Carbohydrates (analysis), Chlorophyll (analysis), Dehydration (MeSH), Flavonoids (analysis), Flavonols (MeSH), Nitrogen (analysis), Phenols (analysis), Plant Leaves (chemistry), Plant Leaves (physiology), Plant Transpiration (physiology), Populus (chemistry), Populus (physiology), Trees (chemistry), Trees (physiology), Water (physiology).
- MESH :
- chemical , analysis : Antioxidants, Carbohydrates, Chlorophyll, Flavonoids, Nitrogen, Phenols.
- chemistry : Plant Leaves, Populus, Trees.
- physiology : Plant Leaves, Plant Transpiration, Populus, Trees, Water.
- Dehydration, Flavonols.
Abstract
We compared responses to drought and re-watering of greenhouse-grown cuttings of Populus x euramericana (Dode) Guinier clones, Luisa Avanzo and Dorskamp. Total leaf area, leaf number, leaf area increment and stomatal conductance were evaluated periodically during a 29-day drought period and for 16 days after re-watering. Soil water content and predawn leaf water potential (Psi(wp)) were measured on Days 29 and 45. On the same days, relative water content (RWC), specific leaf area (SLA), nitrogen, chlorophyll, soluble sugars, total phenols, flavanols and antioxidant activity were determined for leaves taken from the bottom to the top of each cutting. Leaves of Luisa Avanzo cuttings grew more rapidly than leaves of Dorskamp and exhibited higher SLA, but lower concentrations of nitrogen, chlorophyll and soluble sugars and lower antioxidant activity per unit area. On Day 29, after withholding water, both clones had closed their stomata, reduced rates of leaf growth, and lower Psi(wp) and RWC; however, the clones differed in their responses to soil water depletion. Compared to Dorskamp, Luisa Avanzo closed its stomata earlier and maintained higher Psi(wp), but lower RWC and leaf sugar concentrations. Antioxidant activity of leaf methanolic extracts decreased in response to water stress only in Luisa Avanzo. Leaf physiology and its modulation by water stress were age dependent in Luisa Avanzo.
DOI: 10.1093/treephys/22.12.849
PubMed: 12184974
Affiliations:
Links toward previous steps (curation, corpus...)
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Total leaf area, leaf number, leaf area increment and stomatal conductance were evaluated periodically during a 29-day drought period and for 16 days after re-watering. Soil water content and predawn leaf water potential (Psi(wp)) were measured on Days 29 and 45. On the same days, relative water content (RWC), specific leaf area (SLA), nitrogen, chlorophyll, soluble sugars, total phenols, flavanols and antioxidant activity were determined for leaves taken from the bottom to the top of each cutting. Leaves of Luisa Avanzo cuttings grew more rapidly than leaves of Dorskamp and exhibited higher SLA, but lower concentrations of nitrogen, chlorophyll and soluble sugars and lower antioxidant activity per unit area. On Day 29, after withholding water, both clones had closed their stomata, reduced rates of leaf growth, and lower Psi(wp) and RWC; however, the clones differed in their responses to soil water depletion. Compared to Dorskamp, Luisa Avanzo closed its stomata earlier and maintained higher Psi(wp), but lower RWC and leaf sugar concentrations. Antioxidant activity of leaf methanolic extracts decreased in response to water stress only in Luisa Avanzo. Leaf physiology and its modulation by water stress were age dependent in Luisa Avanzo.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12184974</PMID><DateCompleted><Year>2003</Year><Month>03</Month><Day>31</Day></DateCompleted><DateRevised><Year>2019</Year><Month>05</Month><Day>13</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0829-318X</ISSN><JournalIssue CitedMedium="Print"><Volume>22</Volume><Issue>12</Issue><PubDate><Year>2002</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Physiological traits of two Populus x euramericana clones, Luisa Avanzo and Dorskamp, during a water stress and re-watering cycle.</ArticleTitle><Pagination><MedlinePgn>849-58</MedlinePgn></Pagination><Abstract><AbstractText>We compared responses to drought and re-watering of greenhouse-grown cuttings of Populus x euramericana (Dode) Guinier clones, Luisa Avanzo and Dorskamp. Total leaf area, leaf number, leaf area increment and stomatal conductance were evaluated periodically during a 29-day drought period and for 16 days after re-watering. Soil water content and predawn leaf water potential (Psi(wp)) were measured on Days 29 and 45. On the same days, relative water content (RWC), specific leaf area (SLA), nitrogen, chlorophyll, soluble sugars, total phenols, flavanols and antioxidant activity were determined for leaves taken from the bottom to the top of each cutting. Leaves of Luisa Avanzo cuttings grew more rapidly than leaves of Dorskamp and exhibited higher SLA, but lower concentrations of nitrogen, chlorophyll and soluble sugars and lower antioxidant activity per unit area. On Day 29, after withholding water, both clones had closed their stomata, reduced rates of leaf growth, and lower Psi(wp) and RWC; however, the clones differed in their responses to soil water depletion. Compared to Dorskamp, Luisa Avanzo closed its stomata earlier and maintained higher Psi(wp), but lower RWC and leaf sugar concentrations. Antioxidant activity of leaf methanolic extracts decreased in response to water stress only in Luisa Avanzo. Leaf physiology and its modulation by water stress were age dependent in Luisa Avanzo.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Marron</LastName><ForeName>Nicolas</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Laboratoire Biologie des Ligneux et des Grandes Cultures, UPRES EA 1207, UFR-Faculté des Sciences, Université d'Orléans, rue de Chartres, BP 6759, 45067 Orléans Cedex 02, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Delay</LastName><ForeName>Didier</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Petit</LastName><ForeName>Jean-Michel</ForeName><Initials>JM</Initials></Author><Author ValidYN="Y"><LastName>Dreyer</LastName><ForeName>Erwin</ForeName><Initials>E</Initials></Author><Author ValidYN="Y"><LastName>Kahlem</LastName><ForeName>Guy</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Delmotte</LastName><ForeName>Francis 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UI="D005419">Flavonoids</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D044948">Flavonols</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010636">Phenols</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical><Chemical><RegistryNumber>1406-65-1</RegistryNumber><NameOfSubstance UI="D002734">Chlorophyll</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000975" MajorTopicYN="N">Antioxidants</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002241" MajorTopicYN="N">Carbohydrates</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002734" MajorTopicYN="N">Chlorophyll</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003681" MajorTopicYN="N">Dehydration</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005419" MajorTopicYN="N">Flavonoids</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D044948" MajorTopicYN="N">Flavonols</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010636" MajorTopicYN="N">Phenols</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018526" MajorTopicYN="N">Plant Transpiration</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2002</Year><Month>8</Month><Day>20</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2003</Year><Month>4</Month><Day>1</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2002</Year><Month>8</Month><Day>20</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12184974</ArticleId><ArticleId IdType="doi">10.1093/treephys/22.12.849</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>France</li></country><region><li>Centre-Val de Loire</li><li>Région Centre</li></region><settlement><li>Orléans</li></settlement><orgName><li>Université d'Orléans</li></orgName></list><tree><noCountry><name sortKey="Brignolas, Franck" sort="Brignolas, Franck" uniqKey="Brignolas F" first="Franck" last="Brignolas">Franck Brignolas</name><name sortKey="Delay, Didier" sort="Delay, Didier" uniqKey="Delay D" first="Didier" last="Delay">Didier Delay</name><name sortKey="Delmotte, Francis M" sort="Delmotte, Francis M" uniqKey="Delmotte F" first="Francis M" last="Delmotte">Francis M. Delmotte</name><name sortKey="Dreyer, Erwin" sort="Dreyer, Erwin" uniqKey="Dreyer E" first="Erwin" last="Dreyer">Erwin Dreyer</name><name sortKey="Kahlem, Guy" sort="Kahlem, Guy" uniqKey="Kahlem G" first="Guy" last="Kahlem">Guy Kahlem</name><name sortKey="Petit, Jean Michel" sort="Petit, Jean Michel" uniqKey="Petit J" first="Jean-Michel" last="Petit">Jean-Michel Petit</name></noCountry><country name="France"><region name="Centre-Val de Loire"><name sortKey="Marron, Nicolas" sort="Marron, Nicolas" uniqKey="Marron N" first="Nicolas" last="Marron">Nicolas Marron</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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