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<title lang=en>Tension wood and opposite wood in 21 tropical rain forest species. 2. Comparison of some anatomical and ultrastructural criteria</title>
<creator>Ruelle, Julien</creator>
<creator>Clair, Bruno</creator>
<creator>Beauchêne, Jacques</creator>
<creator>Prévost, Marie-Françoise</creator>
<creator>Fournier, Meriem</creator>
<contributor>School of Bio-agricultural Science (SBS-NAGOYA) ; Nagoya University</contributor>
<contributor>Ecologie des forêts de Guyane (ECOFOG) ; Ecole Nationale du Génie Rural, des Eaux et des Forêts (ENGREF) - Institut National de la Recherche Agronomique (INRA) - Université des Antilles et de la Guyane (UAG) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Laboratoire de Mécanique et Génie Civil (LMGC) ; Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Botanique et Modélisation de l'Architecture des Plantes et des Végétations (UMR AMAP) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD) - Institut national de la recherche agronomique [Montpellier] (INRA Montpellier) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Institut de Recherche pour le Développement (IRD [France-Sud])</contributor>
<description>International audience</description>
<source>IAWA Journal</source>
<identifier>hal-00194915</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00194915</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00194915/document</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00194915/file/IAWA2006_RuelleClairBeauchenePrevostFournier_ccsd.pdf</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00194915</source>
<source>IAWA Journal, 2006, 27 (4), pp.341-376</source>
<identifier>IRD : PAR00001321</identifier>
<language>en</language>
<subject lang=en>LICANIA MEMBRANACEA, ANATOMIE, BOIS DE REACTION, FORET TROPICALE HUMIDE, FIBRE DE BOIS, TENSION WOOD, OPPOSITE WOOD, TROPICAL RAIN FOREST, VESSELS, WOOD ANATOMY, WOOD FIBRE</subject>
<subject>[SPI.OTHER] Engineering Sciences [physics]/Other</subject>
<subject>[SDV.BID] Life Sciences [q-bio]/Biodiversity</subject>
<subject>[SDV.BV.BOT] Life Sciences [q-bio]/Vegetal Biology/Botanics</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>The anatomy of tension wood and opposite wood was compared in 21 tropical rain forest trees from 21 species belonging to 18 families from French Guyana. Wood specimens were taken from the upper and lower sides of naturally tilted trees. Measurement of the growth stress level ensured that the two samples were taken from wood tissues in a different mechanical state: highly tensile-stressed wood on the upper side, called tension wood and normally tensile-stressed wood on the lower side, called opposite wood. Quantitative parameters relating to fibres and vessels were measured on transverse sections of both tension and opposite wood to check if certain criteria can easily discriminate the two kinds of wood. We observed a decrease in the frequency of vessels in the tension wood in all the trees studied. Other criteria concerning shape and surface area of the vessels, fibre diameter or cell wall thickness did not reveal any general trend. At the ultrastructural level, we observed that the microfibril angle in the tension wood sample was lower than in opposite wood in all the trees except one (Licania membranacea).</description>
<date>2006</date>
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