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CONICET Digital
Article . 2014
License: CC BY NC SA
Data sources: CONICET Digital
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Patrones de variación de la densidad de la madera y morfometría celular de Salix babylonica var sacramenta para la determinación de la edad de transición entre madera juvenil y madura

Authors: Cobas, Ana Clara; Area, Maria Cristina; Monteoliva, Silvia Estela;

Patrones de variación de la densidad de la madera y morfometría celular de Salix babylonica var sacramenta para la determinación de la edad de transición entre madera juvenil y madura

Abstract

El objetivo del trabajo fue analizar los patrones de variación axial y radial de la densidad y morfometría celular de la madera de sauce americano y determinar la edad de transición de madera juvenil a madura. Se muestrearon cinco árboles de 45 años de Salix babylonica var sacramenta de Entre Ríos, Argentina. Se tomaron muestras a tres alturas en el fuste y en 9 posiciones radiales y se determinó la densidad básica y la morfometría de fibras y vasos. Los patrones de variación radial evidenciaron un leve aumento de magnitud con la edad, mientras que la mayor variación axial se manifestó mayoritariamente entre la base y la altura de 1,3m el fuste, presentándose diferentes tendencias de acuerdo a la variable. Dependiendo de la variable analizada, la edad de transición entre madera juvenil y madura fue de 5 a 10 años o de 10 a 15 años. La longitud y ancho de fibras y el diámetro de vasos fueron los primeros parámetros en madurar. Los valores promedio de las variables de la madera juvenil y madura no mostraron diferencias importantes entre los leños, por lo tanto podrían considerarse como homogéneos desde el punto de vista anatómico y de densidad.

The aim of this work was to determine the patterns of axial and radial variation of the density and cellular morphometry of american willow wood, for determining the age of transition from juvenile to mature wood. The study was conducted on five trees of a 45-years-old plantation of a clone of Salix babylonica, from Entre Rios, Argentina. Samples were taken at three heights and at 9 radial positions of the stem for the determination of basic density and morphometry of fibers and vessels. The radial variation patterns showed a slight increase in magnitude with age, whereas the axial variation showed up between the base and a height of 1.3 m in the stem, presenting different tendencies according to the variable. Depending on the analyzed variable, the age of transition between juvenile and mature wood was 5 to 10 years, or 10 to 15 years. Fiber length and width and vessel diameter were the first characters to mature. The average values of the properties of juvenile and mature wood showed no substantial differences between logs, therefore they could be considered as anatomically and density homogeneous.

Fil: Area, Maria Cristina. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnológico Nordeste. Instituto de Materiales de Misiones; Argentina

Fil: Monteoliva, Silvia Estela. Universidad Nacional de la Plata. Facultad de Ciencias Agrarias y Forestales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

Fil: Cobas, Ana Clara. Universidad Nacional de la Plata. Facultad de Ciencias Agrarias y Forestales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

Country
Argentina
Keywords

https://purl.org/becyt/ford/4.5, MADERA JUVENIL, REGRESIONES SEGMENTADAS, VARIACION RADIAL, https://purl.org/becyt/ford/4, MORFOMETRIA FIBRAS

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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