The results showed that there were distinct differences in micro-fibrilAngle, width of growth-ring and tracheid diameter.
结果表明，管胞直径和微纤丝角及生长轮宽度等指标表现为差异显著。
2
The result shows that:(1)Micro-fibrilangle increases gradually from the center to the edge in radial direction, and the surface area percentage of its fiber band has the same variability;