Genetic variation of xylem hydraulic properties shows that wood density is involved in adaptation to drought in Douglas-fir (Pseudotsuga menziesii (Mirb.))

Relationships between wood density and hydraulic efficiency and safety (hydraulic specific conductivity and vulnerability to cavitation, respectively) could clarify the physiological process explaining the impact of density on fitness. We have used new, relatively high-throughput phenotyping methods...

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Detalles Bibliográficos
Autores: Dalla Salda, Guillermina, Martinez Meier, Alejandro, Cochard, Hervé, Rozenberg, Philippe
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2011
País:Argentina
Institución:Instituto Nacional de Tecnología Agropecuaria
Repositorio:INTA Digital (INTA)
Idioma:inglés
OAI Identifier:oai:localhost:20.500.12123/7239
Acceso en línea:http://hdl.handle.net/20.500.12123/7239
https://link.springer.com/article/10.1007/s13595-011-0091-1
https://doi.org/10.1007/s13595-011-0091-1
Access Level:acceso abierto
Palabra clave:Pseudotsuga Menziesii
Abies
Madera
Variación Genética
Resistencia a la Sequía
Wood
Genetic Variation
Drought Resistance
Densidad de la Madera
Abeto de Douglas
Wood Density
Hydraulic Efficiency
Descripción
Sumario:Relationships between wood density and hydraulic efficiency and safety (hydraulic specific conductivity and vulnerability to cavitation, respectively) could clarify the physiological process explaining the impact of density on fitness. We have used new, relatively high-throughput phenotyping methods to estimate genetic variation of wood hydraulic specific conductivity (ks) and vulnerability to cavitation (VC) as an important step toward demonstrating the adaptive value of wood density.