Anatomical structure of the wood of two oaks from Oaxaca, Mexico
Mexico is a distribution center for the genus Quercus, with 161 species recorded; some 60 of these have favorable characteristics for lumber usage. Herein, we describe the anatomical characteristics of Quercus crassifolia and Q. laurina wood, and these characteristics are correlated with wood basic...
| Main Authors: | , , , |
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| Format: | Online |
| Language: | spa |
| Published: |
Instituto de Ecología, A.C.
2016
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| Online Access: | https://myb.ojs.inecol.mx/index.php/myb/article/view/485 |
| _version_ | 1799769233661362176 |
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| author | Ruiz-Aquino, Faustino González-Peña, Marcos M. Valdez-Hernández, Juan I. Romero-Manzanares, Angélica |
| author_facet | Ruiz-Aquino, Faustino González-Peña, Marcos M. Valdez-Hernández, Juan I. Romero-Manzanares, Angélica |
| author_sort | Ruiz-Aquino, Faustino |
| collection | MYB |
| description | Mexico is a distribution center for the genus Quercus, with 161 species recorded; some 60 of these have favorable characteristics for lumber usage. Herein, we describe the anatomical characteristics of Quercus crassifolia and Q. laurina wood, and these characteristics are correlated with wood basic density, volumetric shrinkage, and hardness. Quercus laurina wood displayed high brightness and medium grain, while in Q. crassifolia these were medium and coarse, respectively. Wood from both species was ring-porous, with solitary oval pores; parenchyma was apotracheal diffuse-in-aggregates, and there were uniseriate, multiseriate and aggregate rays, as well as libriform fibers and fibrotracheids. In Q. laurina, strong correlations were found between the fiber wall thickness and basic density (r = 0,97), and between the lumen diameter and volumetric shrinkage (r > 0,99); while in Q. crassifolia the strongest correlations occurred between the volumetric shrinkage and both the fiber wall thickness (r = 0,97), and the fiber diameter (r = 0,93). In both oaks, a high volumetric shrinkage and the presence of very broad rays, indicate a high propensity of wood to develop cracks and splits upon drying. |
| format | Online |
| id | oai:oai.myb.ojs.inecol.mx:article-485 |
| institution | Madera y Bosques |
| language | spa |
| publishDate | 2016 |
| publisher | Instituto de Ecología, A.C. |
| record_format | ojs |
| spelling | oai:oai.myb.ojs.inecol.mx:article-4852022-11-30T05:37:24Z Anatomical structure of the wood of two oaks from Oaxaca, Mexico Estructura anatómica de la madera de dos encinos de Oaxaca Ruiz-Aquino, Faustino González-Peña, Marcos M. Valdez-Hernández, Juan I. Romero-Manzanares, Angélica volumetric shrinkage basic density hardness Quercus crassifolia Quercus laurina contracción volumétrica densidad básica dureza Quercus crassifolia Quercus laurina Mexico is a distribution center for the genus Quercus, with 161 species recorded; some 60 of these have favorable characteristics for lumber usage. Herein, we describe the anatomical characteristics of Quercus crassifolia and Q. laurina wood, and these characteristics are correlated with wood basic density, volumetric shrinkage, and hardness. Quercus laurina wood displayed high brightness and medium grain, while in Q. crassifolia these were medium and coarse, respectively. Wood from both species was ring-porous, with solitary oval pores; parenchyma was apotracheal diffuse-in-aggregates, and there were uniseriate, multiseriate and aggregate rays, as well as libriform fibers and fibrotracheids. In Q. laurina, strong correlations were found between the fiber wall thickness and basic density (r = 0,97), and between the lumen diameter and volumetric shrinkage (r > 0,99); while in Q. crassifolia the strongest correlations occurred between the volumetric shrinkage and both the fiber wall thickness (r = 0,97), and the fiber diameter (r = 0,93). In both oaks, a high volumetric shrinkage and the presence of very broad rays, indicate a high propensity of wood to develop cracks and splits upon drying. México es un centro de distribución para las especies del género Quercus, con 161 especies registradas, de las que 60 presentan características favorables para el aprovechamiento maderable. Aquí se describen las características anatómicas de la madera de Quercus laurina y Q. crassifolia, y se correlacionan con su densidad básica, contracción volumétrica y dureza. La madera de Q. laurina presentó brillo alto y veteado medio, mientras que en Q. crassifolia fueron medio y pronunciado, respectivamente. Ambas especies presentan porosidad anular, poros solitarios de forma oval, radios uniseriados, multiseriados y agregados, parénquima apotraqueal difuso en agregados, y fibras libriformes y fibrotraqueidas. En Q. laurina se determinó una correlación entre el espesor de pared de las fibras y la densidad básica (r = 0,97), y entre el diámetro de lumen de las fibras y la contracción volumétrica (r > 0,99). En Q. crassifolia, las correlaciones más altas se dieron entre la contracción volumétrica y el espesor de pared de las fibras (r = 0,97), y con el diámetro de las fibras (r = 0,93). En los dos encinos, la contracción volumétrica alta y la presencia de radios muy anchos, indican una mayor propensión de la madera a presentar grietas y rajaduras durante el proceso de secado. Instituto de Ecología, A.C. 2016-05-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo evaluado por pares application/pdf text/html https://myb.ojs.inecol.mx/index.php/myb/article/view/485 10.21829/myb.2016.221485 Madera y Bosques; Vol. 22 No. 1 (2016): Primavera Madera y Bosques; Vol. 22 Núm. 1 (2016): Primavera 2448-7597 1405-0471 spa https://myb.ojs.inecol.mx/index.php/myb/article/view/485/660 https://myb.ojs.inecol.mx/index.php/myb/article/view/485/673 Derechos de autor 2016 Madera y Bosques |
| spellingShingle | Ruiz-Aquino, Faustino González-Peña, Marcos M. Valdez-Hernández, Juan I. Romero-Manzanares, Angélica Anatomical structure of the wood of two oaks from Oaxaca, Mexico |
| title | Anatomical structure of the wood of two oaks from Oaxaca, Mexico |
| title_full | Anatomical structure of the wood of two oaks from Oaxaca, Mexico |
| title_fullStr | Anatomical structure of the wood of two oaks from Oaxaca, Mexico |
| title_full_unstemmed | Anatomical structure of the wood of two oaks from Oaxaca, Mexico |
| title_short | Anatomical structure of the wood of two oaks from Oaxaca, Mexico |
| title_sort | anatomical structure of the wood of two oaks from oaxaca, mexico |
| url | https://myb.ojs.inecol.mx/index.php/myb/article/view/485 |
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