Table 2.
Physicochemical characteristics of grapes at harvest.
| Year | Treatments | Weight 100 berries | Brix | pH | Total acidity | g/L | |
|---|---|---|---|---|---|---|---|
| Tartaric acid | Malic acid | ||||||
| 2016 | Control | 148 ± 6 a | 26 ± 0 a | 3.9 ± 0.0 a | 2.9 ± 0.4 a | 4.1 ± 0.7 a | 1.5 ± 0.2 a |
| MeJ | 147 ± 8 a | 25 ± 0 a | 3.8 ± 0.0 a | 2.8 ± 0.3 a | 4.1 ± 0.8 a | 1.3 ± 0.0 a | |
| BTH | 143 ± 11 a | 26 ± 1 a | 3.8 ± 0.1 a | 2.7 ± 0.1 a | 3.8 ± 0.4 a | 1.2 ± 0.1 a | |
| MeJ + BTH | 163 ± 7 b | 26 ± 1 a | 3.9 ± 0.0 a | 2.7 ± 0.3 a | 4.0 ± 0.5 a | 1.5 ± 0.2 a | |
| 2017 | Control | 160 ± 7 a | 23 ± 1 ab | 3.9 ± 0.1 b | 2.5 ± 0.4 a | 3.7 ± 0.5 a | 1.2 ± 0.0 ab |
| MeJ | 157 ± 8 a | 22 ± 1 a | 3.8 ± 0.1 a | 3.1 ± 0.5 a | 4.5 ± 1.5 a | 1.3 ± 0.1 bc | |
| BTH | 166 ± 10 a | 23 ± 1 b | 3.9 ± 0.1 b | 2.7 ± 0.4 a | 3.9 ± 0.6 a | 1.1 ± 0.1 a | |
| MeJ + BTH | 167 ± 3 a | 22 ± 0 ab | 3.7 ± 0.0 a | 3.1 ± 0.1 a | 4.0 ± 0.7 a | 1.3 ± 0.1 c | |
Data represent means±SD. Different letters in the same column and year indicate significant differences according to the Duncan test (p <0.05).