Official Journal of the Japan Wood Research Society
Table 1 Frequency and diameter of vessels, MFA of the S2 layer in tracheids, and lignin content on the upper and lower sides of branches
From: Reaction wood anatomy and lignin distribution in Gnetum gnemon branches
Property | n | Sample | Position | t value (p value) | DR (%) | |
|---|---|---|---|---|---|---|
Upper | Lower | |||||
Vessel frequency (number of vessels mm−2) | 5 | A | 36.2 (2.2) | 52.0 (2.9) | 9.733 (0.00) | 30.3 |
B | 34.7 (2.2) | 49.4 (3.4) | 8.033 (0.00) | 29.8 | ||
C | 22.1 (3.0) | 52.5 (8.1) | 7.893 (0.00) | 58.0 | ||
Vessel diameter (µm) | 30 | A | 75.5 (10.1) | 70.7 (8.5) | 1.993 (0.05) | − 6.8 |
B | 78.6 (6.9) | 73.2 (8.1) | 2.757 (0.01) | − 7.3 | ||
C | 75.8 (7.7) | 60.4 (8.0) | 7.565 (0.00) | − 25.4 | ||
MFA of S2 layer in tracheids (°) | 30 | A | 10.7 (1.5) | 21.3 (2.7) | 18.788 (0.00) | 49.7 |
B | 10.7 (2.9) | 26.4 (2.2) | 23.562 (0.00) | 59.5 | ||
C | 16.0 (2.0) | 23.4 (2.0) | 14.204 (0.00) | 31.6 | ||
Lignin content (%) | 3 | A | 25.6 (0.5) | 27.8 (0.8) | 4.185 (0.01) | 6.8 |
B | 22.3 (1.4) | 26.2 (1.8) | 2.930 (0.04) | 4.7 | ||
C | 22.9 (1.2) | 23.9 (0.5) | 1.427 (0.23) | 4.4 | ||