First- and second-year aboveground growth and productivity of two Populus hybrids grown at ambient and elevated CO(2).
Identifieur interne : 004A19 ( Main/Exploration ); précédent : 004A18; suivant : 004A20First- and second-year aboveground growth and productivity of two Populus hybrids grown at ambient and elevated CO(2).
Auteurs : R. Ceulemans [Belgique] ; B. Y. Shao ; X. N. Jiang ; J. KalinaSource :
- Tree physiology [ 1758-4469 ]
Abstract
Two hybrid poplar (Populus) clones (the fast-growing clone Beaupré (P. trichocarpa Torr. and Gray x P. deltoides Bartr. ex Marsh.) and the slow-growing clone Robusta (P. deltoides Bartr. ex Marsh. x P. nigra L.)) were grown from hardwood cuttings for one or two growing seasons (1993-1994) in either ambient or elevated (= ambient + 350 micro mol mol(-1)) CO(2) in open-top chambers at the University of Antwerpen. Both clones responded positively to the elevated CO(2) treatment with increased stem volume and aboveground biomass production; however, the clones exhibited different response strategies to the elevated CO(2) treatment, and the responses varied with cutting age and duration of exposure. Clone Beaupré responded to the elevated CO(2) treatment with increases in leaf area and leaf area index during both the first and second growing seasons, but little increase in height growth. Clone Robusta exhibited increased height growth, leaf biomass and total leaf nitrogen content in response to elevated CO(2), but no increase in leaf area index. The elevated CO(2) treatment increased the total number of branches and total branch biomass in both clones during both growing seasons. At the end of the first growing season, woody stem biomass of the fast- and slow-growing clones was increased by 38 and 55%, respectively. At the end of the second growing season, stem volume was increased by 43% in clone Beaupré and by 58% in clone Robusta. The increase in stem volume was a result of the stimulation of both height and diameter growth in the slow-growing clone, whereas only height growth was stimulated in the fast-growing clone. In the fall of the first growing season, the average date of bud set in clone Robusta was advanced by 4 days in the elevated CO(2) treatment; there were no other significant effects of the elevated CO(2) treatment on bud set. The elevated CO(2) treatment enhanced leaf C/N ratios in both clones in both years.
DOI: 10.1093/treephys/16.1-2.61
PubMed: 14871748
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Kalina</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1996">1996 Jan-Feb</date><idno type="RBID">pubmed:14871748</idno><idno type="pmid">14871748</idno><idno type="doi">10.1093/treephys/16.1-2.61</idno><idno type="wicri:Area/Main/Corpus">004A60</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">004A60</idno><idno type="wicri:Area/Main/Curation">004A60</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">004A60</idno><idno type="wicri:Area/Main/Exploration">004A60</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">First- and second-year aboveground growth and productivity of two Populus hybrids grown at ambient and elevated CO(2).</title><author><name sortKey="Ceulemans, R" sort="Ceulemans, R" uniqKey="Ceulemans R" first="R." last="Ceulemans">R. Ceulemans</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biology, University of Antwerpen (UIA), Universiteitsplein 1, B-2610 Wilrijk, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Department of Biology, University of Antwerpen (UIA), Universiteitsplein 1, B-2610 Wilrijk</wicri:regionArea><wicri:noRegion>B-2610 Wilrijk</wicri:noRegion></affiliation></author><author><name sortKey="Shao, B Y" sort="Shao, B Y" uniqKey="Shao B" first="B. Y." last="Shao">B. Y. Shao</name></author><author><name sortKey="Jiang, X N" sort="Jiang, X N" uniqKey="Jiang X" first="X. N." last="Jiang">X. N. Jiang</name></author><author><name sortKey="Kalina, J" sort="Kalina, J" uniqKey="Kalina J" first="J." last="Kalina">J. Kalina</name></author></analytic><series><title level="j">Tree physiology</title><idno type="eISSN">1758-4469</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Two hybrid poplar (Populus) clones (the fast-growing clone Beaupré (P. trichocarpa Torr. and Gray x P. deltoides Bartr. ex Marsh.) and the slow-growing clone Robusta (P. deltoides Bartr. ex Marsh. x P. nigra L.)) were grown from hardwood cuttings for one or two growing seasons (1993-1994) in either ambient or elevated (= ambient + 350 micro mol mol(-1)) CO(2) in open-top chambers at the University of Antwerpen. Both clones responded positively to the elevated CO(2) treatment with increased stem volume and aboveground biomass production; however, the clones exhibited different response strategies to the elevated CO(2) treatment, and the responses varied with cutting age and duration of exposure. Clone Beaupré responded to the elevated CO(2) treatment with increases in leaf area and leaf area index during both the first and second growing seasons, but little increase in height growth. Clone Robusta exhibited increased height growth, leaf biomass and total leaf nitrogen content in response to elevated CO(2), but no increase in leaf area index. The elevated CO(2) treatment increased the total number of branches and total branch biomass in both clones during both growing seasons. At the end of the first growing season, woody stem biomass of the fast- and slow-growing clones was increased by 38 and 55%, respectively. At the end of the second growing season, stem volume was increased by 43% in clone Beaupré and by 58% in clone Robusta. The increase in stem volume was a result of the stimulation of both height and diameter growth in the slow-growing clone, whereas only height growth was stimulated in the fast-growing clone. In the fall of the first growing season, the average date of bud set in clone Robusta was advanced by 4 days in the elevated CO(2) treatment; there were no other significant effects of the elevated CO(2) treatment on bud set. The elevated CO(2) treatment enhanced leaf C/N ratios in both clones in both years.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">14871748</PMID><DateRevised><Year>2019</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>16</Volume><Issue>1_2</Issue><PubDate><MedlineDate>1996 Jan-Feb</MedlineDate></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>First- and second-year aboveground growth and productivity of two Populus hybrids grown at ambient and elevated CO(2).</ArticleTitle><Pagination><MedlinePgn>61-68</MedlinePgn></Pagination><Abstract><AbstractText>Two hybrid poplar (Populus) clones (the fast-growing clone Beaupré (P. trichocarpa Torr. and Gray x P. deltoides Bartr. ex Marsh.) and the slow-growing clone Robusta (P. deltoides Bartr. ex Marsh. x P. nigra L.)) were grown from hardwood cuttings for one or two growing seasons (1993-1994) in either ambient or elevated (= ambient + 350 micro mol mol(-1)) CO(2) in open-top chambers at the University of Antwerpen. Both clones responded positively to the elevated CO(2) treatment with increased stem volume and aboveground biomass production; however, the clones exhibited different response strategies to the elevated CO(2) treatment, and the responses varied with cutting age and duration of exposure. Clone Beaupré responded to the elevated CO(2) treatment with increases in leaf area and leaf area index during both the first and second growing seasons, but little increase in height growth. Clone Robusta exhibited increased height growth, leaf biomass and total leaf nitrogen content in response to elevated CO(2), but no increase in leaf area index. The elevated CO(2) treatment increased the total number of branches and total branch biomass in both clones during both growing seasons. At the end of the first growing season, woody stem biomass of the fast- and slow-growing clones was increased by 38 and 55%, respectively. At the end of the second growing season, stem volume was increased by 43% in clone Beaupré and by 58% in clone Robusta. The increase in stem volume was a result of the stimulation of both height and diameter growth in the slow-growing clone, whereas only height growth was stimulated in the fast-growing clone. In the fall of the first growing season, the average date of bud set in clone Robusta was advanced by 4 days in the elevated CO(2) treatment; there were no other significant effects of the elevated CO(2) treatment on bud set. The elevated CO(2) treatment enhanced leaf C/N ratios in both clones in both years.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ceulemans</LastName><ForeName>R.</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Department of Biology, University of Antwerpen (UIA), Universiteitsplein 1, B-2610 Wilrijk, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Shao</LastName><ForeName>B. Y.</ForeName><Initials>BY</Initials></Author><Author ValidYN="Y"><LastName>Jiang</LastName><ForeName>X. 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N." last="Jiang">X. N. Jiang</name><name sortKey="Kalina, J" sort="Kalina, J" uniqKey="Kalina J" first="J." last="Kalina">J. Kalina</name><name sortKey="Shao, B Y" sort="Shao, B Y" uniqKey="Shao B" first="B. Y." last="Shao">B. Y. Shao</name></noCountry><country name="Belgique"><noRegion><name sortKey="Ceulemans, R" sort="Ceulemans, R" uniqKey="Ceulemans R" first="R." last="Ceulemans">R. Ceulemans</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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