Assessments CO2 assimilation on a per-leaf-area basis are related to total leaf area

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dc.contributor.authorRighetti, Timothy L.
dc.contributor.authorVasconcelos, Carmo
dc.contributor.authorSandrock, David R.
dc.contributor.authorOrtega Farias, Samuel
dc.contributor.authorMoreno, Yerko
dc.contributor.authorMeza, Francisco J.
dc.date.accessioned2024-01-10T13:46:08Z
dc.date.available2024-01-10T13:46:08Z
dc.date.issued2007
dc.description.abstractNet photosynthetic rates often are dependent on leaf size when expressed on a leaf-area basis (CO2 assimilation as ULMOI(.)m(-2.)s(-1)). Therefore, distinguishing between leaf-size-related and other causes of differences in net photosynthetic rate cannot be determined when data are presented on a leaf-area basis. From a theoretical perspective, CO2 assimilation expressed on a leaf-area basis (mu mol(.)m(2.)s(1)) will be independent of leaf area only when total net CO(2)assimilation (leaf CO(2)assimilation as mu mol(.)s(-1)) is linearly related to leaf area and the function describing this relationship has a nonzero y intercept. This situation was not encountered in the data sets we evaluated; therefore, ratio-based estimates Of CO2 assimilation were often misleading. When CO2 assimilation data are expressed on a per-leaf-area basis (the standard procedure in the photosynthesis literature), it is difficult to determine how photosynthetic efficiency changes as leaves or plants mature and difficult to compare the efficiency of treatments or cultivars when leaf size or total plant leaf area varies.
dc.format.extent9 páginas
dc.fuente.origenWOS
dc.identifier.doi10.21273/JASHS.132.2.230
dc.identifier.issn0003-1062
dc.identifier.urihttps://doi.org/10.21273/JASHS.132.2.230
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/79124
dc.identifier.wosidWOS:000245301100012
dc.information.autorucAgronomía e Ing. Forestal;Meza F;S/I;86534
dc.issue.numero2
dc.language.isoen
dc.nota.accesoSin adjunto
dc.pagina.final238
dc.pagina.inicio230
dc.publisherAMER SOC HORTICULTURAL SCIENCE
dc.revistaJOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE
dc.rightsregistro bibliográfico
dc.subjectdevelopmental stage
dc.subjectintercept corrections
dc.subjectleaf age
dc.subjectleaf area
dc.subjectratio-based efficiency
dc.subjectregression models
dc.subjectslope-based efficiency
dc.subjectNITROGEN-USE EFFICIENCY
dc.subjectNET PHOTOSYNTHESIS
dc.subjectCHLOROPHYLL CONTENT
dc.subjectSTRAWBERRY PLANTS
dc.subjectDARK RESPIRATION
dc.subjectLEAVES
dc.subjectRATIOS
dc.subject.ods13 Climate Action
dc.subject.ods15 Life on Land
dc.subject.odspa13 Acción por el clima
dc.subject.odspa15 Vida de ecosistemas terrestres
dc.titleAssessments CO2 assimilation on a per-leaf-area basis are related to total leaf area
dc.typeartículo
dc.volumen132
sipa.codpersvinculados86534
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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