Official Journal of the Japan Wood Research Society
Table 2 Morphology of tracheids and fiber tracheids on the upper and lower sides of branches
From: Reaction wood anatomy and lignin distribution in Gnetum gnemon branches
Cell type | Property | n | Sample | Position | t value (p value) | DR (%) | |
|---|---|---|---|---|---|---|---|
Upper | Lower | ||||||
Tracheid | Diameter (µm) | 50 | A | 23.8 (1.8) | 21.2 (1.9) | 6.992 (0.00) | − 12.2 |
B | 24.8 (1.6) | 23.7 (1.6) | 3.450 (0.00) | − 4.6 | |||
C | 24.0 (1.8) | 19.9 (2.0) | 10.581 (0.00) | − 20.4 | |||
Wall thickness (µm) | 50 | A | 3.8 (0.5) | 3.7 (0.4) | 0.859 (0.39) | − 2.1 | |
B | 4.2 (0.3) | 3.6 (0.3) | 9.600 (0.00) | − 17.8 | |||
C | 4.5 (0.4) | 3.0 (0.3) | 20.681 (0.00) | − 50.8 | |||
Fiber tracheid | Diameter (µm) | 50 | A | 22.0 (2.0) | 19.5 (1.7) | 6.857 (0.00) | − 13.1 |
B | 21.5 (1.8) | 20.7 (2.2) | 1.953 (0.05) | − 3.8 | |||
C | 20.4 (1.7) | 18.3 (1.9) | 5.551 (0.00) | − 11.0 | |||
Wall thickness (µm) | 50 | A | 2.1 (0.3) | 1.7 (0.2) | 7.787 (0.00) | − 20.3 | |
B | 2.1 (0.2) | 2.0 (0.2) | 2.077 (0.04) | − 4.1 | |||
C | 2.3 (0.2) | 1.6 (0.3) | 11.954 (0.00) | − 40.2 | |||