Article
Insights into xylem vulnerability to cavitation in Fagus sylvatica L.: phenotypic and environmental sources of variability.
Tree physiology - 1 Nov 2010
Herbette Stephane, Wortemann Remi, Awad Hosam, Huc Roland, Cochard Herve, Barigah Tete Severien
Abstract excerpt
Xylem vulnerability to cavitation is a key parameter in understanding drought resistance of trees. We determined the xylem water pressure causing 50% loss of hydraulic conductivity (P(50)), a proxy of vulnerability to cavitation, and we evaluated the variability of this trait at tree and population levels for Fagus sylvatica. We checked for the effects of light on vulnerability to cavitation of stem segments...
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