DETERMINATION OF DIFFERENCES IN ANATOMICAL AND CHEMICAL CHARACTERISTICS OF TENSION AND OPPOSITE WOOD OF 8-YEAR OLD EUCALYPTUS GLOBULUS

Tension and opposite wood, divided in the corresponding heartwood and sapwood regions, from 8-year old Eucalyptus globulus trees were characterized for chemical composition and fibre anatomy in the transverse section in order to identify the main differences. Thicker and poorly lignified cell walls...

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Autores principales:	Aguayo,María G, Quintupill,Licarayen, Castillo,Rosario, Baeza,Jaime, Freer,Juanita, Mendonça,Regis T
Lenguaje:	English
Publicado:	Universidad del Bío-Bío 2010
Materias:	Tension wood Eucalyptus globulus carbohydrates lignin wood anatomy
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2010000300008
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spelling	oai:scielo:S0718-221X20100003000082010-12-07DETERMINATION OF DIFFERENCES IN ANATOMICAL AND CHEMICAL CHARACTERISTICS OF TENSION AND OPPOSITE WOOD OF 8-YEAR OLD EUCALYPTUS GLOBULUSAguayo,María GQuintupill,LicarayenCastillo,RosarioBaeza,JaimeFreer,JuanitaMendonça,Regis T Tension wood Eucalyptus globulus carbohydrates lignin wood anatomy Tension and opposite wood, divided in the corresponding heartwood and sapwood regions, from 8-year old Eucalyptus globulus trees were characterized for chemical composition and fibre anatomy in the transverse section in order to identify the main differences. Thicker and poorly lignified cell walls were found in tension wood. Cellulose content was similar for both woods, although tension wood contained 30% higher xylose and 15% less lignin than opposite wood. Lignin of tension wood contained 24% more syringyl units and a higher frequency of β-O-4 linkages. Principal component analysis (PCA) performed separately with anatomical and chemical data showed a clear separation between tension and opposite wood. The principal characteristics used for separation were: cell wall thickness, vessel diameter, lumen diameter, lignin and xylose content, and amount of syringyl units.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.12 n.3 20102010-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2010000300008en10.4067/S0718-221X2010000300008
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Tension wood Eucalyptus globulus carbohydrates lignin wood anatomy
spellingShingle	Tension wood Eucalyptus globulus carbohydrates lignin wood anatomy Aguayo,María G Quintupill,Licarayen Castillo,Rosario Baeza,Jaime Freer,Juanita Mendonça,Regis T DETERMINATION OF DIFFERENCES IN ANATOMICAL AND CHEMICAL CHARACTERISTICS OF TENSION AND OPPOSITE WOOD OF 8-YEAR OLD EUCALYPTUS GLOBULUS
description	Tension and opposite wood, divided in the corresponding heartwood and sapwood regions, from 8-year old Eucalyptus globulus trees were characterized for chemical composition and fibre anatomy in the transverse section in order to identify the main differences. Thicker and poorly lignified cell walls were found in tension wood. Cellulose content was similar for both woods, although tension wood contained 30% higher xylose and 15% less lignin than opposite wood. Lignin of tension wood contained 24% more syringyl units and a higher frequency of β-O-4 linkages. Principal component analysis (PCA) performed separately with anatomical and chemical data showed a clear separation between tension and opposite wood. The principal characteristics used for separation were: cell wall thickness, vessel diameter, lumen diameter, lignin and xylose content, and amount of syringyl units.
author	Aguayo,María G Quintupill,Licarayen Castillo,Rosario Baeza,Jaime Freer,Juanita Mendonça,Regis T
author_facet	Aguayo,María G Quintupill,Licarayen Castillo,Rosario Baeza,Jaime Freer,Juanita Mendonça,Regis T
author_sort	Aguayo,María G
title	DETERMINATION OF DIFFERENCES IN ANATOMICAL AND CHEMICAL CHARACTERISTICS OF TENSION AND OPPOSITE WOOD OF 8-YEAR OLD EUCALYPTUS GLOBULUS
title_short	DETERMINATION OF DIFFERENCES IN ANATOMICAL AND CHEMICAL CHARACTERISTICS OF TENSION AND OPPOSITE WOOD OF 8-YEAR OLD EUCALYPTUS GLOBULUS
title_full	DETERMINATION OF DIFFERENCES IN ANATOMICAL AND CHEMICAL CHARACTERISTICS OF TENSION AND OPPOSITE WOOD OF 8-YEAR OLD EUCALYPTUS GLOBULUS
title_fullStr	DETERMINATION OF DIFFERENCES IN ANATOMICAL AND CHEMICAL CHARACTERISTICS OF TENSION AND OPPOSITE WOOD OF 8-YEAR OLD EUCALYPTUS GLOBULUS
title_full_unstemmed	DETERMINATION OF DIFFERENCES IN ANATOMICAL AND CHEMICAL CHARACTERISTICS OF TENSION AND OPPOSITE WOOD OF 8-YEAR OLD EUCALYPTUS GLOBULUS
title_sort	determination of differences in anatomical and chemical characteristics of tension and opposite wood of 8-year old eucalyptus globulus
publisher	Universidad del Bío-Bío
publishDate	2010
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2010000300008
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DETERMINATION OF DIFFERENCES IN ANATOMICAL AND CHEMICAL CHARACTERISTICS OF TENSION AND OPPOSITE WOOD OF 8-YEAR OLD EUCALYPTUS GLOBULUS

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