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Table 1
Yield components, leaf area/yield, pruning weight, Ravaz index, irrigation water productivity and berry composition at harvest. Different letters indicate significant difference at P ≤ 0.05 and ns refers to non-significant differences among treatments.
| Treatment | P | ||||
|---|---|---|---|---|---|
| ED | LD | IC | NC | ||
| Yield (kg/vine) | 2.52ab | 2.33ab | 3.25a | 2.14b | ≤0.05 |
| Cluster number | 11 | 10 | 11 | 11 | ns |
| Cluster weight (kg) | 0.234b | 0.225b | 0.293a | 0.197b | ≤0.05 |
| Leaf area/yield (m2 kg-1) | 2.24 | 2.34 | 1.97 | 1.92 | ns |
| Pruning mass (kg/vine) | 0.84 | 0.87 | 1.11 | 0.75 | ns |
| Ravaz Index | 2.95 | 2.67 | 2.93 | 2.55 | ns |
| IWP (g L-1) | 12.9b | 15.8b | 9.6c | 47.9a | ≤0.05 |
| Berry fresh weight (g) | 2.69 | 2.88 | 2.96 | 2.78 | ns |
| TSS (°Brix) | 25.6 | 25.4 | 25.1 | 26.1 | ns |
| Sugar/berry | 0.82 | 0.7 | 0.72 | 0.67 | ns |
| pH | 3.78 | 3.68 | 3.63 | 3.61 | ns |
| Titratable acidity (g/L) | 4.29 | 4.25 | 4.52 | 4.47 | ns |
| Malic acid (g/L) | 0.82 | 0.79 | 1.02 | 0.77 | ns |
| Tartaric acid (g/L) | 2.99 | 2.82 | 3.26 | 3.18 | ns |
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