Radial and among-clonal variations of the stress-wave velocity, wood density, and mechanical properties in 5-year-old Acacia auriculiformis clones

Radial and between-clone variations in stress-wave velocity, air-dry density (AD), mechanical properties six clones of 5-year-old Acacia auriculiformis trees planted Vietnam were investigated. The potential to predict modulus elasticity (MOE) rupture (MOR) using velocity standing (SWVT) or small specimens (SWVS) was also examined. examined SWVT, SWVS, wood differed significantly among clones, particularly with two (clones 1 6) well suited for A. tree breeding programs focusing on lumber production, as they had the highest static bending values no significant difference AD between positions near pith bark. At specimen level, best prediction could be achieved when both SWVS used a model calculation dynamic (MOEd) conditions. Significant correlations SWVT average MOE (r = 0.83) MOR 0.61) test indicated that use technique assessing selecting terms performance possible.