Table 1 Influence of pre-bloom (PB) and veraison defoliation (V) on leaf area components of Sangiovese grapevines compared to a non-defoliated control (C)
| Â | C | PB | V |
|---|---|---|---|
Total leaf area/vine (m2) before pre-bloom defoliation | 1.7 | 1.69 | 1.75 |
Leaf area/vine (m2) removed at pre-bloom defoliation | 0 | 1.16 | 0 |
Leaf area/vine (m2) left after pre-bloom defoliation | 1.70 a | 0.53 b | 1.75 a |
Leaf area/vine (m2) removed at véraison defoliation | 0 | 0 | 1.4 |
Final main leaf area/vine (m2) | 2.52 a | 1.84 b | 1.72 b |
Final laterals leaf area/vine (m2) | 1.21 b | 1.42 a | 1.11 b |
Total final leaf area/vine (m2) | 3.73 a | 3.26 ab | 2.83 b |