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Author (up) Clair, B.; Ruelle, J.; Beauchene, J.; Prevost, M.F.; Fournier, M.
Title Tension wood and opposite wood in 21 tropical rain forest species 1. Occurrence and efficiency of the G-layer Type Journal Article
Year 2006 Publication IAWA Journal Abbreviated Journal IAWA J.
Volume 27 Issue 3 Pages 329-338
Keywords gelatinous layer; G-layer; French Guyana; tropical rain forest; tension wood; wood anatomy
Abstract Wood samples were taken from the upper and lower sides of 21 naturally tilted trees from 18 families of angiosperms in the tropical rain forest in French Guyana. The measurement of growth stresses 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 lower tensile stressed wood on the lower side, called opposite wood. Eight species had tension wood fibres with a distinct gelatinous layer (G-layer). The distribution of gelatinous fibres varied from species to species. One of the species, Casearia javitensis (Flacourtiaceae), showed a peculiar multilayered secondary wall in its reaction wood. Comparison between the stress level and the occurrence of the G-layer indicates that the G-layer is not a key factor in the production of high tensile stressed wood.
Address UAG, INRA, ENGREF, CIRAD CNRS,ECOFOG,UMR Ecol Forets Guyane, F-97379 Kourou, Guyana, Email: clair@lmgc.univ-montp2.fr
Corporate Author Thesis
Publisher INT ASSOC WOOD ANATOMISTS Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0928-1541 ISBN Medium
Area Expedition Conference
Notes ISI:000240542400008 Approved no
Call Number EcoFoG @ eric.marcon @ Serial 176
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