Influence of growth stress level on wood properties in Poplar I-69 （Populus deltoides Bartr.cv."Lux" ex I-69/55

Chang-Hua Fang (1, 2, 3) , Daniel Guibal (2) , Bruno Clair (4) , Joseph Gril (4) , Ya-Mei Liu (1) , Sheng-Quan Liu (1)

1 Forest Products Department
2 UPR Bois tropicaux - Production et valorisation des bois tropicaux
3 LMGC - Laboratoire de Mécanique et Génie Civil
4 MAB - Mécanique de l'Arbre et du Bois

Six inclined poplar I-69 (Populus deltoids cv. I-69/55) trees were collected for studying the influence of growth stress level on wood properties. Growth stress indicator (GSI) was measured at 8 positions around the periphery of each trunk at breast height and corresponding wood samples were obtained. Wood anatomical, physico-mechanical and chemical characteristics were measured including cell diameter, fibre length, double wall thickness excluding gelatinous layer, lumen diameter after gelatinous layer removal, proportion of wood tissues, basic density, FSP, MOE, compressive strength, shrinkage and chemical composition. Each property was regarded in relation to the growth stress level to be discussed.

Mots clés: populus deltoids cv. I-69/55; poplar; tension wood; growth stress; wood property

Domaines: Autre; Sylviculture, foresterie

Chang-Hua Fang, Daniel Guibal, Bruno Clair, Joseph Gril, Ya-Mei Liu, et al.. Influence of growth stress level on wood properties in Poplar I-69 （Populus deltoides Bartr.cv."Lux" ex I-69/55. Annals of Forest Science, 2008, 65, pp.307-315. ⟨10.1051/forest:2008008⟩. ⟨hal-00339064⟩