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Official Journal of the Japan Wood Research Society

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