Effects of flooding on leaf development, transpiration, and photosynthesis in narrowleaf cottonwood, a willow-like poplar.
Identifieur interne : 003289 ( Main/Exploration ); précédent : 003288; suivant : 003290Effects of flooding on leaf development, transpiration, and photosynthesis in narrowleaf cottonwood, a willow-like poplar.
Auteurs : Stewart B. Rood [Canada] ; Julie L. Nielsen ; Leslee Shenton ; Karen M. Gill ; Matthew G. LettsSource :
- Photosynthesis research [ 1573-5079 ] ; 2010.
Descripteurs français
- KwdFr :
- MESH :
- anatomie et histologie : Feuilles de plante.
- croissance et développement : Feuilles de plante.
- métabolisme : Dioxyde de carbone, Eau.
- physiologie : Photosynthèse, Populus, Transpiration des plantes.
- Inondations.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Carbon Dioxide, Water.
- anatomy & histology : Plant Leaves.
- growth & development : Plant Leaves.
- physiology : Photosynthesis, Plant Transpiration, Populus.
- Floods.
Abstract
The narrowleaf cottonwood, Populus angustifolia, occurs in occasionally flooded, low elevation zones along river valleys near the North American Rocky Mountains. This small poplar has narrow leaves and fine branching and thus resembles willows, which are commonly flood-tolerant. We investigated the flood response of narrowleaf cottonwoods and a related native hybrid, jackii cottonwood (P. x jackii = P. balsamifera x P. deltoides), by studying saplings of 24 clones in a greenhouse, with some pots being inundated to provide the flood treatment. Flooding slightly reduced leaf numbers (-10%), and leaf sizes were reduced by about 21% in female P. angustifolia versus a 50% reduction in the female hybrids. Flooding-reduced stomatal conductance and net photosynthetic rate, and reduced transpiration particularly in P. x jackii. The effects on foliar gas exchange declined over a 5-week interval, suggesting compensation. The moderate impact of flooding supports the hypothesis that narrowleaf cottonwoods are flood-tolerant, and we anticipate that these trees could provide traits to increase the flood tolerance of fast-growing hybrid poplars. The results further indicate that female cottonwoods may be more flood-tolerant than males, and females could be more successful in lower, flood-prone sites.
DOI: 10.1007/s11120-009-9511-6
PubMed: 20013353
Affiliations:
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Nielsen</name></author><author><name sortKey="Shenton, Leslee" sort="Shenton, Leslee" uniqKey="Shenton L" first="Leslee" last="Shenton">Leslee Shenton</name></author><author><name sortKey="Gill, Karen M" sort="Gill, Karen M" uniqKey="Gill K" first="Karen M" last="Gill">Karen M. Gill</name></author><author><name sortKey="Letts, Matthew G" sort="Letts, Matthew G" uniqKey="Letts M" first="Matthew G" last="Letts">Matthew G. 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Rood</name><affiliation wicri:level="1"><nlm:affiliation>Environmental Science Program, University of Lethbridge, Lethbridge, AB, Canada, rood@uleth.ca</nlm:affiliation><country wicri:rule="url">Canada</country><wicri:regionArea>Environmental Science Program, University of Lethbridge, Lethbridge, AB, Canada</wicri:regionArea><wicri:noRegion>Canada</wicri:noRegion></affiliation></author><author><name sortKey="Nielsen, Julie L" sort="Nielsen, Julie L" uniqKey="Nielsen J" first="Julie L" last="Nielsen">Julie L. Nielsen</name></author><author><name sortKey="Shenton, Leslee" sort="Shenton, Leslee" uniqKey="Shenton L" first="Leslee" last="Shenton">Leslee Shenton</name></author><author><name sortKey="Gill, Karen M" sort="Gill, Karen M" uniqKey="Gill K" first="Karen M" last="Gill">Karen M. Gill</name></author><author><name sortKey="Letts, Matthew G" sort="Letts, Matthew G" uniqKey="Letts M" first="Matthew G" last="Letts">Matthew G. Letts</name></author></analytic><series><title level="j">Photosynthesis research</title><idno type="eISSN">1573-5079</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbon Dioxide (metabolism)</term><term>Floods (MeSH)</term><term>Photosynthesis (physiology)</term><term>Plant Leaves (anatomy & histology)</term><term>Plant Leaves (growth & development)</term><term>Plant Transpiration (physiology)</term><term>Populus (physiology)</term><term>Water (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Dioxyde de carbone (métabolisme)</term><term>Eau (métabolisme)</term><term>Feuilles de plante (anatomie et histologie)</term><term>Feuilles de plante (croissance et développement)</term><term>Inondations (MeSH)</term><term>Photosynthèse (physiologie)</term><term>Populus (physiologie)</term><term>Transpiration des plantes (physiologie)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon Dioxide</term><term>Water</term></keywords><keywords scheme="MESH" qualifier="anatomie et histologie" xml:lang="fr"><term>Feuilles de plante</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Plant Leaves</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Feuilles de plante</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Leaves</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Dioxyde de carbone</term><term>Eau</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Photosynthèse</term><term>Populus</term><term>Transpiration des plantes</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Photosynthesis</term><term>Plant Transpiration</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Floods</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Inondations</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The narrowleaf cottonwood, Populus angustifolia, occurs in occasionally flooded, low elevation zones along river valleys near the North American Rocky Mountains. This small poplar has narrow leaves and fine branching and thus resembles willows, which are commonly flood-tolerant. We investigated the flood response of narrowleaf cottonwoods and a related native hybrid, jackii cottonwood (P. x jackii = P. balsamifera x P. deltoides), by studying saplings of 24 clones in a greenhouse, with some pots being inundated to provide the flood treatment. Flooding slightly reduced leaf numbers (-10%), and leaf sizes were reduced by about 21% in female P. angustifolia versus a 50% reduction in the female hybrids. Flooding-reduced stomatal conductance and net photosynthetic rate, and reduced transpiration particularly in P. x jackii. The effects on foliar gas exchange declined over a 5-week interval, suggesting compensation. The moderate impact of flooding supports the hypothesis that narrowleaf cottonwoods are flood-tolerant, and we anticipate that these trees could provide traits to increase the flood tolerance of fast-growing hybrid poplars. The results further indicate that female cottonwoods may be more flood-tolerant than males, and females could be more successful in lower, flood-prone sites.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20013353</PMID><DateCompleted><Year>2010</Year><Month>07</Month><Day>26</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1573-5079</ISSN><JournalIssue CitedMedium="Internet"><Volume>104</Volume><Issue>1</Issue><PubDate><Year>2010</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Photosynthesis research</Title><ISOAbbreviation>Photosynth Res</ISOAbbreviation></Journal><ArticleTitle>Effects of flooding on leaf development, transpiration, and photosynthesis in narrowleaf cottonwood, a willow-like poplar.</ArticleTitle><Pagination><MedlinePgn>31-9</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s11120-009-9511-6</ELocationID><Abstract><AbstractText>The narrowleaf cottonwood, Populus angustifolia, occurs in occasionally flooded, low elevation zones along river valleys near the North American Rocky Mountains. This small poplar has narrow leaves and fine branching and thus resembles willows, which are commonly flood-tolerant. We investigated the flood response of narrowleaf cottonwoods and a related native hybrid, jackii cottonwood (P. x jackii = P. balsamifera x P. deltoides), by studying saplings of 24 clones in a greenhouse, with some pots being inundated to provide the flood treatment. Flooding slightly reduced leaf numbers (-10%), and leaf sizes were reduced by about 21% in female P. angustifolia versus a 50% reduction in the female hybrids. Flooding-reduced stomatal conductance and net photosynthetic rate, and reduced transpiration particularly in P. x jackii. The effects on foliar gas exchange declined over a 5-week interval, suggesting compensation. The moderate impact of flooding supports the hypothesis that narrowleaf cottonwoods are flood-tolerant, and we anticipate that these trees could provide traits to increase the flood tolerance of fast-growing hybrid poplars. The results further indicate that female cottonwoods may be more flood-tolerant than males, and females could be more successful in lower, flood-prone sites.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Rood</LastName><ForeName>Stewart B</ForeName><Initials>SB</Initials><AffiliationInfo><Affiliation>Environmental Science Program, University of Lethbridge, Lethbridge, AB, Canada, rood@uleth.ca</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Nielsen</LastName><ForeName>Julie L</ForeName><Initials>JL</Initials></Author><Author ValidYN="Y"><LastName>Shenton</LastName><ForeName>Leslee</ForeName><Initials>L</Initials></Author><Author ValidYN="Y"><LastName>Gill</LastName><ForeName>Karen M</ForeName><Initials>KM</Initials></Author><Author ValidYN="Y"><LastName>Letts</LastName><ForeName>Matthew G</ForeName><Initials>MG</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2009</Year><Month>12</Month><Day>16</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Photosynth Res</MedlineTA><NlmUniqueID>100954728</NlmUniqueID><ISSNLinking>0166-8595</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical><Chemical><RegistryNumber>142M471B3J</RegistryNumber><NameOfSubstance UI="D002245">Carbon Dioxide</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002245" MajorTopicYN="N">Carbon Dioxide</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055868" MajorTopicYN="N">Floods</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="N">anatomy & histology</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018526" MajorTopicYN="N">Plant Transpiration</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2009</Year><Month>09</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2009</Year><Month>11</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2009</Year><Month>12</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2009</Year><Month>12</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>7</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">20013353</ArticleId><ArticleId IdType="doi">10.1007/s11120-009-9511-6</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Tree Physiol. 2009 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Gill</name><name sortKey="Letts, Matthew G" sort="Letts, Matthew G" uniqKey="Letts M" first="Matthew G" last="Letts">Matthew G. Letts</name><name sortKey="Nielsen, Julie L" sort="Nielsen, Julie L" uniqKey="Nielsen J" first="Julie L" last="Nielsen">Julie L. Nielsen</name><name sortKey="Shenton, Leslee" sort="Shenton, Leslee" uniqKey="Shenton L" first="Leslee" last="Shenton">Leslee Shenton</name></noCountry><country name="Canada"><noRegion><name sortKey="Rood, Stewart B" sort="Rood, Stewart B" uniqKey="Rood S" first="Stewart B" last="Rood">Stewart B. Rood</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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