Influence of growth parameters on wood density of Acacia auriculiformis

Tonouéwa Jesugnon Fifamè Murielle Féty, Biaou Samadori Sorotori Honoré, Assèdé Eméline Sêssi Pélagie, Langbour Patrick, Balagueman Ogoulonou Rodrigue. 2022. Influence of growth parameters on wood density of Acacia auriculiformis. Maderas. Ciencia y Tecnología, 24 (19) : 1-14.

Résumé : Understanding the drivers of wood density variation both within a tree and between trees is important in predicting the quality of wood logs and improving this quality through adequate forestry management. This study examined the effect of the diameter growth of Acacia auriculiformis on its wood density variation. The study was conducted in the South of Benin in four plantations of Acacia auriculiformis. Near infrared spectroscopy (NIRS) method was used to predict the basic density of 225 tree wood cores of Acacia auriculiformis. A predicting model of the average tree density using the diameter as predictor was established. The relationship between wood density and tree diameter was best described by a linear mixed-effect model. The average wood density of trees increased with the diameter. The study concluded that the quality of the species logs can be improved through regular thinning and genetic selection.

Mots-clés Agrovoc : densité du bois, propriété du bois, plantation forestière, Acacia auriculiformis

Mots-clés géographiques Agrovoc : Bénin

Mots-clés libres : Acacia auriculiformis, Wood density, Forest plantation, Benin

Classification Agris : K10 - Production forestière
K50 - Technologie des produits forestiers

Champ stratégique Cirad : CTS 2 (2019-) - Transitions agroécologiques

Auteurs et affiliations

• Tonouéwa Jesugnon Fifamè Murielle Féty, Université de Parakou (BEN) - auteur correspondant
• Biaou Samadori Sorotori Honoré, Université de Parakou (BEN)
• Assèdé Eméline Sêssi Pélagie, Université de Parakou (BEN)
• Langbour Patrick, CIRAD-PERSYST-UPR BioWooEB (FRA) ORCID: 0000-0001-6037-255X
• Balagueman Ogoulonou Rodrigue, Université de Parakou (BEN)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/602750/)

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