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Table 3
Productive and qualitative parameters of cv. Merlot at harvest (September 1st, 2017), depending on the treatments.
| Control | Trainer | |
|---|---|---|
| Grape yield (Kg/vine) | 2.2 a | 2.8 b |
| Average cluster wt (g) | 82 a | 87 a |
| Bud fertility (n) | 2.0 a | 2.1 a |
| Average berry wt (g) | 0.9 a | 0.9 a |
| Soluble solids (° Brix) | 22.8 a | 21.5 b |
| pH | 3.33 a | 3.26 a |
| Titratable acidity (g/L) | 6.1 a | 7.6 b |
| Tartaric acid (g/L) | 11.5 a | 12.4 a |
| Malic acid (g/L) | 0.6 a | 0.4 a |
| Anthocyanins (g/L) | 1.40 a | 1.19 b |
| Polyphenols (g/L) | 3.62 a | 3.31 a |
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