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ANOVA results about the effect of phenological stages and age on daily accumulated sap flux density.
| Hypothesis type | Source | DF | F value | Pr > F |
| I | Phenological stage | 4 | 6.97 | 0.0002 |
| Age | 3 | 27.70 | <0.0001 | |
| III | Phenological stage | 4 | 6.15 | 0.0004 |
| Age | 3 | 28.80 | <0.0001 |
