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New evidences relating the seasonal evolution of maximum daily trunk shrinkage with xylem vulnerability to embolism

AuthorsDíaz-Espejo, Antonio ; Nicolás Nicolás, Emilio ; Rodríguez Domínguez, Celia M. ; Pérez Martín, Alfonso ; Fernández Luque, José Enrique ; Cuevas Sánchez, Mª Victoria ; Torres Ruiz, José Manuel
Issue DateOct-2010
PublisherUniversidad Politécnica de Cartagena
CitationLibro de actas y comunicaciones del X Simposium Hispano Portugués de Relaciones Hídricas en las Plantas. Herramientas para un uso eficiente del agua : 129-132 (2010)
AbstractThe interesting species specific relationship between maximum daily shrinkage and stem water potential (lPstem) was investigated in order to understand the potential mechanisms involved. Despite of the known correlation with the range of ~stem at which stomata exerts the control of transpiration, a new correlation was obtained with the air entry ~stem of the xylem in the studied species. Results of this study reinforce the idea of a tight correlation among plant capacitance, transpiration and maintenance of water status of the plant. These results could confirm the hypothesis than xylem wood plays a central role in both refilling of water reservoirs and as an important reservoir itself, as it has been recently proposed.
Description4 pages, 3 figures, 8 references. Simposio celebrado del 6-8, octubre, 2010, en Cartagena, España.
Appears in Collections:(IRNAS) Libros y partes de libros
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