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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image

Table 7 Relationship between wood density (WD) and mechanical properties; dynamic (Ed) and static (MOR, MOE) properties for each site and combined sites of Melia azedarach

From: Within-stem variations in mechanical properties of Melia azedarach planted in northern Vietnam

Site Linear regression model y = ax + b
Mechanical properties WD E d
a b r a b r
Site 1 MOR 297.17 − 81.27 0.93*** 9.80 − 29.19 0.82***
MOE 18.88 − 1.12 0.79*** 0.83 0.22 0.93***
E d 23.08 − 1.72 0.86***
Site 2 MOR 274.68 − 51.49 0.84*** 7.46 0.49 0.72***
MOE 20.06 − 0.14 0.72*** 0.76 1.06 0.85***
E d 25.72 − 1.20 0.82***
Combined sites MOR 312.25 − 79.86 0.85*** 9.24 − 22.45 0.84***
MOE 21.29 − 1.55 0.73*** 0.81 0.41 0.92***
E d 26.35 − 2.44 0.79***
  1. MOR modulus of rupture, MOE modulus of elasticity, Ed dynamic modulus of elasticity, r correlation coefficient
  2. ***p < 0.001