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Stomatal sensitivity to air humidity : a hypothesis for its control through peristomatal evaporation

Analysis of previously published data shows that an extremely close correlation (r(2) = 0.83) exists between stomatal sensitivity to changes in leaf to air vapor pressure deficit and the maximum leaf conductance at low VPD in a wide range of plant species. The hypothesis is presented that stomatal s...

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Main Authors: El-Sharkawy, Mabrouk A., Cock, James H.
Format: Informe técnico
Language:Inglés
Published: International Center for Tropical Agriculture 1984
Subjects:
stomata
plant physiology
vapour pressure
evaporation
estomas
fisiología vegetal
tensión de vapor
evaporación
Online Access:https://hdl.handle.net/10568/71408
Summary:Analysis of previously published data shows that an extremely close correlation (r(2) = 0.83) exists between stomatal sensitivity to changes in leaf to air vapor pressure deficit and the maximum leaf conductance at low VPD in a wide range of plant species. The hypothesis is presented that stomatal sensitivity to changes in VPD is related to the evaporative area of the stomatal apparatus coupled with a large hydraulic resistance between the epidermal cells and the bulk of the leaf

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