| Anatomical Characteristics | Rootstock plants age | |
| 1-year-old | 3-year-old | |
| Total diameter (µm) | 2355.6 ± 209.2 (b) | 3717.5 ± 170.7 (a) |
| Xylem diameter (µm) | 461.7 ± 74.2 (b) | 811.4 ± 13.4 (a) |
| Phloem diameter (µm) | 119.6 ± 10.2 (a) | 149.1 ± 12.0 (a) |
| Periderm width (µm) | 81.5 ± 8.5 (b) | 117.5 ± 1.3 (a) |
| Rooting capability | ||
| % of rooting | 96.7 ± 1.4 (a) | 18.8 ± 0.9 (b) |