Official Journal of the Japan Wood Research Society
From: Relationships between tree size and reaction wood formation in 23 Japanese angiosperms
Tree sizes | Codes | G-layer | Basic density (g/cm3) | Vessel frequency (No./mm2) | Lignin content (%) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
UP | LP | UP/LP | UP | LP | UP/LP | UP | LP | UP/LP | |||
Arbor | Ar-1 | − | 0.59 | 0.54 | 1.08 | 94 | 178 | 0.53 | 21.8 | 28.7 | 0.76 |
Ar-2 | + | 0.42 | 0.42 | 1.00 | 58 | 139 | 0.42 | 22.4 | 30.2 | 0.74 | |
Ar-3 | − | 0.59 | 0.58 | 1.01 | 63 | 96 | 0.66 | 24.2 | 26.4 | 0.92 | |
Ar-4 | + | 0.58 | 0.55 | 1.07 | 37 | 71 | 0.52 | 20.2 | 31.3 | 0.64 | |
Ar-5 | + | 0.62 | 0.63 | 0.98 | 15 | 81 | 0.19 | 20.3 | 28.7 | 0.71 | |
Ar-6 | − | 0.51 | 0.45 | 1.13 | 124 | 138 | 0.90 | 24.1 | 27.2 | 0.89 | |
Ar-7 | + | 0.50 | 0.54 | 0.94 | 163 | 229 | 0.71 | 23.7 | 26.7 | 0.89 | |
Mean | 1.03 | 0.56 | 0.79 | ||||||||
Subarbor | Su-1 | + | 0.60 | 0.54 | 1.12 | 204 | 323 | 0.63 | 21.6 | 31.1 | 0.69 |
Su-2 | − | 0.61 | 0.59 | 1.03 | 198 | 355 | 0.56 | 29.4 | 30.0 | 0.98 | |
Su-3 | − | 0.72 | 0.72 | 1.00 | 167 | 233 | 0.72 | 23.8 | 26.0 | 0.92 | |
Su-4 | − | 0.53 | 0.54 | 1.00 | 146 | 351 | 0.42 | 23.1 | 24.9 | 0.93 | |
Su-5 | − | 0.47 | 0.45 | 1.04 | 69 | 135 | 0.51 | 23.4 | 27.3 | 0.86 | |
Su-6 | − | 0.48 | 0.49 | 0.97 | 27 | 48 | 0.56 | 25.6 | 28.1 | 0.91 | |
Su-7 | − | 0.64 | 0.62 | 1.03 | 96 | 127 | 0.75 | 25.4 | 30.0 | 0.85 | |
Mean | 1.03 | 0.59 | 0.88 | ||||||||
Shrub | Sh-1 | − | 0.50 | 0.55 | 0.91 | 110 | 120 | 0.92 | 38.2 | 37.9 | 1.01 |
Sh-2 | + | 0.56 | 0.59 | 0.95 | 279 | 255 | 1.09 | 20.5 | 26.3 | 0.78 | |
Sh-3 | − | 0.44 | 0.46 | 0.95 | 101 | 107 | 0.94 | 20.2 | 26.3 | 0.77 | |
Sh-4 | − | 0.62 | 0.65 | 0.96 | 366 | 398 | 0.92 | 33.8 | 30.4 | 1.11 | |
Sh-5 | + | 0.52 | 0.54 | 0.97 | 45 | 35 | 1.28 | 21.8 | 24.4 | 0.89 | |
Sh-6 | − | 0.61 | 0.53 | 1.15 | 228 | 266 | 0.86 | 26.3 | 31.9 | 0.82 | |
Sh-7 | − | 0.58 | 0.59 | 0.97 | 307 | 348 | 0.88 | 36.0 | 34.8 | 1.03 | |
Sh-8 | − | 0.49 | 0.50 | 0.99 | 316 | 518 | 0.61 | 36.6 | 37.7 | 0.97 | |
Sh-9 | − | 0.50 | 0.45 | 1.13 | 489 | 526 | 0.93 | 26.2 | 32.3 | 0.81 | |
Mean | 1.00 | 0.94 | 0.91 |