Article
Vapour pressure deficit during growth has little impact on genotypic differences of transpiration efficiency at leaf and whole-plant level: an example from Populus nigra L.
Plant, cell & environment - 1 Apr 2015
Rasheed Fahad, Dreyer Erwin, Richard Béatrice, Brignolas Franck, Brendel Oliver, Le Thiec Didier
Abstract excerpt
Poplar genotypes differ in transpiration efficiency (TE) at leaf and whole-plant level under similar conditions. We tested whether atmospheric vapour pressure deficit (VPD) affected TE to the same extent across genotypes. Six Populus nigra genotypes were grown under two VPD. We recorded (1) (13)C content in soluble sugars; (2) (18)O enrichment in leaf water; (3) leaf-level gas exchange; and (4) whole-plant...
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