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Leaf-to-branch scaling of C-gain in field-grown almond trees under different soil moisture regimes

Opened Access Leaf-to-branch scaling of C-gain in field-grown almond trees under different soil moisture regimes

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Autor: Egea Cegarra, Gregorio
González Real, María M.
Martín Gorriz, Bernardo
Baille, Alain
Departamento: Universidad de Sevilla. Departamento de Ingeniería Aeroespacial y Mecánica de Fluidos
Fecha: 2014-06-26
Publicado en: Tree Physiology, 34 (6), 619 p.-629 p..
Tipo de documento: Artículo
Resumen: Branch/tree-level measurements of carbon (C)-acquisition provide an integration of the physical and biological processes driving the C gain of all individual leaves. Most research dealing with the interacting effects of high-irradiance environments and soil-induced water stress on the C-gain of fruit tree species has focused on leaf-level measurements. The C-gain of both sun-exposed leaves and branches of adult almond trees growing in a semi-arid climate was investigated to determine the respective costs of structural and biochemical/physiological protective mechanisms involved in the behaviour at branch scale. Measurements were performed on well-watered (fully irrigated, FI) and drought-stressed (deficit irrigated, DI) trees. Leaf-to-branch scaling for net CO2 assimilation was quantified by a global scaling factor (fg), defined as the product of two specific scaling factors: (i) a structural scaling factor (fs), determined under well-watered conditions, mainly involving leaf mutual s...
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Cita: Egea Cegarra, G., González Real, M.M., Martín Gorriz, B. y Baille, A. (2014). Leaf-to-branch scaling of C-gain in field-grown almond trees under different soil moisture regimes. Tree Physiology, 34 (6), 619 p.-629 p..
Tamaño: 1.788Mb
Formato: PDF

URI: https://hdl.handle.net/11441/74558

DOI: 10.1093/treephys/tpu045

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