Branch Sap Flow in a Mature Olive Tree: Dynamics and Relation to Architectural Traits (Articolo in rivista)

Type
Label
  • Branch Sap Flow in a Mature Olive Tree: Dynamics and Relation to Architectural Traits (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Alternative label
  • De Lorenzi F, Nadezhdina N, Cermak J, Nadezhdin V, Pitacco A. (2009)
    Branch Sap Flow in a Mature Olive Tree: Dynamics and Relation to Architectural Traits
    in Acta horticulturae
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • De Lorenzi F, Nadezhdina N, Cermak J, Nadezhdin V, Pitacco A. (literal)
Pagina inizio
  • 315 (literal)
Pagina fine
  • 322 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 846 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Nadezhdina, Cermak, Nadezhdin Mendel University Brno Repubblica Ceca Pitacco Università degli Studi di Padova (literal)
Titolo
  • Branch Sap Flow in a Mature Olive Tree: Dynamics and Relation to Architectural Traits (literal)
Abstract
  • This study examined how sap flow in shoots and branches of a mature olive tree (Olea europaea 'Coratina') related to morphological traits which are linked to tree hydraulic architecture. Spatial and temporal variations of sap flow within the tree canopy were investigated; they were analyzed with respect to the ratio between sapwood area and leaf area (SA/LA), and in relation to evaporation demand. The work was carried out on distinct sets of sap flow data, collected using different thermal methods (Heat Field Deformation - HFD and Stem Heat Balance with external heating - SHB). Sap flow density (q) appeared to be governed largely by the ratio SA/LA, irrespective of the strength and heterogeneity of the evaporation demand that affected the tree water loss. The relationship between q and SA/LA suggested a higher efficiency of the water supply pathway when SA/LA was lower, i.e. in smaller (and more distal) branches (literal)
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