Official Journal of the Japan Wood Research Society
Table 3 Visible-light absorbance of cell walls in vessels, tracheids and fiber tracheids from the upper and lower sides of branches
From: Reaction wood anatomy and lignin distribution in Gnetum gnemon branches
Cell type | Absorbance (log I0 I−1) | n | Sample | Position | t value (p value) | DR (%) | |
|---|---|---|---|---|---|---|---|
Upper | Lower | ||||||
Vessel | Mäule reaction (520 nm) | 5 | A | 0.29 (0.03) | 0.32 (0.04) | 1.184 (0.27) | 9.4 |
B | 0.27 (0.08) | 0.27 (0.03) | 0.029 (0.98) | 0.0 | |||
C | 0.20 (0.04) | 0.30 (0.04) | 3.799 (0.01) | 33.1 | |||
Phloroglucinol–HCl reaction (550 nm) | 5 | A | 0.48 (0.03) | 0.56 (0.03) | 4.956 (0.00) | 15.8 | |
B | 0.49 (0.03) | 0.54 (0.02) | 2.691 (0.03) | 9.2 | |||
C | 0.46 (0.01) | 0.49 (0.01) | 4.376 (0.00) | 6.9 | |||
Tracheid | Mäule reaction (520 nm) | 5 | A | 0.33 (0.02) | 0.36 (0.03) | 2.060 (0.07) | 8.3 |
B | 0.32 (0.06) | 0.34 (0.01) | 0.104 (0.43) | 6.8 | |||
C | 0.31 (0.03) | 0.40 (0.05) | 3.240 (0.01) | 20.8 | |||
Phloroglucinol–HCl reaction (550 nm) | 5 | A | 0.23 (0.01) | 0.31 (0.04) | 4.563 (0.00) | 25.7 | |
B | 0.24 (0.02) | 0.39 (0.01) | 15.421 (0.00) | 37.6 | |||
C | 0.28 (0.00) | 0.43 (0.02) | 13.740 (0.00) | 35.7 | |||
Fiber tracheid | Mäule reaction (520 nm) | 5 | A | 0.29 (0.02) | 0.38 (0.01) | 8.874 (0.00) | 21.8 |
B | 0.30 (0.05) | 0.35 (0.00) | 2.641 (0.03) | 15.6 | |||
C | 0.24 (0.02) | 0.43 (0.02) | 12.956 (0.00) | 43.9 | |||
Phloroglucinol–HCl reaction (550 nm) | 5 | A | 0.15 (0.03) | 0.21 (0.05) | 2.400 (0.04) | 28.6 | |
B | 0.10 (0.01) | 0.28 (0.02) | 16.894 (0.00) | 62.9 | |||
C | 0.16 (0.02) | 0.31 (0.04) | 6.552 (0.00) | 46.0 | |||