Table 1.
Effects of anatomical traits on RS and RS vigour, analysed using non-phylogenetic and phylogenetic linear and logistic regressions with MCMC sampling (see the text for details)
| Explanatory variables | RS | RS vigour | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Non-phylogenetic | Phylogenetic | Non-phylogenetic | Phylogenetic | |||||||||
| Anatomical traits | Coefficient | CI | P | Coefficient | CI | P | Coefficient | CI | P | Coefficient | CI | P |
| Specific root biomass | 24.60 | –25.8 to 84.7 | 0.342 | 25.07 | –28.3 to 76.4 | 0.312 | 0.31 | 0.02–0.67 | 0.05. | 0.30 | –0.02 to 0.65 | 0.08· |
| Covering tissue | 166.76 | –26.4 to 400.0 | 0.09· | 159.68 | –22.7 to 388.0 | 0.092· | 0.25 | –0.91 to 1.50 | 0.68 | 0.23 | –0.87 to 1.44 | 0.7 |
| Sclerified cortical cells | 256.96 | 50.4–479.7 | 0.028* | 251.16 | 45.6–450.0 | 0.008** | 0.00 | –0.76 to 0.81 | 0.97 | –0.03 | –0.75 to 0.84 | 0.92 |
| Growth rings | 264.15 | 44.1–466.2 | 0.012* | 254.74 | 70.0–483.7 | 0.018* | 0.34 | –0.37 to 1.14 | 0.356 | 0.35 | –0.37 to 1.10 | 0.362 |
| Pericycle | –66.66 | –219.4 to 69.1 | 0.374 | –64.53 | –219.9 to 68.5 | 0.374 | -0.22 | –1.06 to 0.50 | 0.528 | –0.22 | –0.96 to 0.61 | 0.558 |
| Medulla | –58.38 | –249.6 to 113.3 | 0.496 | –58.53 | –216.9 to 116.5 | 0.454 | –0.13 | –0.91 to 0.76 | 0.76 | –0.12 | –0.93 to 0.74 | 0.8 |
| Dominating cortex | 149.86 | –51.6 to 372.0 | 0.13 | 147.04 | –55.0 to 385.1 | 0.132 | -0.07 | –1.11 to 0.88 | 0.878 | –0.07 | –0.99 to 1.03 | 0.894 |
| Fragment length | –0.31 | –3.63 to 2.40 | 0.854 | –0.46 | –3.51 to 2.18 | 0.74 | 0.01 | –0.01 to 0.02 | 0.25 | 0.01 | –0.01 to 0.02 | 0.234 |
RS is expressed as a binary variable, RS vigour is expressed as the number of buds. Coefficient, its confidence interval and probability (P) are shown. Significant effects are in bold. **P < 0.01; *P < 0.05; P < 0.1.