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CONICET Digital
Article . 2014
License: CC BY
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Anatomía del leño de Ziziphus mistol Griseb. (Rhamnaceae): Relación albura/duramen

Authors: Giménez, A. M.; Figueroa, María Eugenia; Diaz Zirpolo, Jose Antonio; Agüero, B.; Calatayu, F.;

Anatomía del leño de Ziziphus mistol Griseb. (Rhamnaceae): Relación albura/duramen

Abstract

El objetivo del trabajo fue caracterizar la madera de Ziziphus mistol Griseb. y establecer relaciones entre la albura y el duramen. Fueron seleccionados 15 árboles al azar y apeados. Las muestras fueron obtenidas a la altura de 1,3 m (DAP). Se adoptó la terminología del Comité de Nomenclatura de la IAWA y Tortorelli. El conteo y medición de anillos se efectuó con el Equipo Computarizado ANIOL y el programa CATRAS. La relación albura/duramen fue analizada en función de la edad. Se aplicó el método de la llama y colorantes para la diferenciación albura/duramen. La madera se caracteriza por los siguientes rasgos anatómicos: porosidad difusa, vasos predominantemente solitarios, pequeños, muy numerosos, con punteaduras intervasculares alternas, radios 1-3 seriados, heterogéneos, parénquima paratraqueal vasicéntrico, aliforme, en bandas delgadas; fibras cortas con paredes muy gruesas. El espesor de la albura representa el 75% del diámetro del tronco, para un intervalo de 80 años, incrementándose con la edad, hasta un valor de 35 anillos para luego permanecer constante. El duramen presenta la obstrucción total de los vasos por sustancias gomosas.

The objective of this work was to characterize the wood of Ziziphus mistol Griseb. and set relationships between its sapwood and heartwood. Fifteen trees were randomly selected and felled. The samples were obtained at 1,3 m above ground (DBH). The nomenclature by the IAWA Committee and Tortorelli were adopted. Both the tree ring counting and measuring were performed with the ANIOL Computer Equipment and the CATRAS software. The sapwood/heartwood relationship was analyzed in terms of age. The flame and coloring methods were applied for differentiating sapwood/heartwood. The following anatomical features were used to characterize the wood: diffuse porosity, predominantly isolated, small, quite numerous vessels having alternate intervascular pits, heterogeneous, 1-3 rays seriate, aliform, vesselcentric paratracheal parenchyma, in narrow bands. The sapwood thickness accounts for 75% of the trunk diameter, in an 80 year range, that increases with age up to 35 rings remaining constant afterwards. The heartwood shows gummy-substances caused total vessel obstruction.

Fil: Giménez, A. M.. Universidad Nacional de Santiago del Estero. Facultad de Ciencias Forestales. Instituto de Silvicultura y Manejo de Bosques; Argentina

Fil: Calatayu, F.. Universidad Nacional de Santiago del Estero. Facultad de Ciencias Forestales; Argentina

Fil: Agüero, B.. Universidad Nacional de Santiago del Estero. Facultad de Ciencias Forestales; Argentina

Fil: Diaz Zirpolo, Jose Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

Fil: Figueroa, María Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

Country
Argentina
Keywords

Albura, https://purl.org/becyt/ford/1.6, Duramen, Mistol, Anatomía, https://purl.org/becyt/ford/1, Madera

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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!
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