Table 1.
Impact of the sampling date, species, site and their interactions on budburst success and thermal time to budburst at 20 °C and 24-h photoperiod. Table shows chi square (χ2), degree of freedom (df) and P-value. Significant results (P < 0.05) are indicated in bold.
| Budburst success | Thermal time to budburst | |||||
|---|---|---|---|---|---|---|
| Fixed effect | χ2 | df | P-value | χ2 | df | P-value |
| (Intercept) | NA | NA | NA | 2897.6 | 1 | <0.001 |
| Sampling date | 57 | 1 | <0.001 | 366.4 | 2 | <0.001 |
| Species | 60.5 | 4 | <0.001 | 65.9 | 4 | <0.001 |
| Site | 0.2 | 1 | 0.651 | 6.7 | 1 | 0.010 |
| Sampling date:species | 6.2 | 4 | 0.182 | 88.3 | 8 | <0.001 |
| Sampling date:site | 0.1 | 1 | 0.723 | 3.0 | 2 | 0.220 |
| Species:site | 2 | 4 | 0.741 | 4.6 | 4 | 0.327 |