Table 3.
Grape cluster characteristics of analyzed varieties during the research period at the Trebinje locality.
| Grape Cluster Weight (g) |
Number of Grape Berries in Grape Cluster | Weight of Ten Grape Berries | Number of Seeds in Ten Grape Berries | |
|---|---|---|---|---|
| Cabernet Sauvignon/2020 | 198.4 ± 9.4 c | 207.9 ± 11.8 a | 11.4 ± 0.6 d | 16.5 ± 1.3 b |
| Merlot/2020 | 278.4 ± 10.8 b | 206.4 ± 10.1 a | 15.2 ± 0.6 c | 20.4 ± 1.1 ab |
| Blatina/2020 | 373.9 ± 23.5 a | 194.9 ± 21.7 ab | 22.3 ± 1.4 b | 17.5 ± 1.1 ab |
| Vranac/2020 | 339.9 ± 20.9 a | 139.0 ± 15.9 bc | 29.8 ± 0.7 a | 22.7 ± 1.5 a |
| Cabernet Sauvignon/2021 | 192.3 ± 12.9 c | 155.2 ± 12.2 abc | 12.8 ± 0.4 cd | 17.1 ± 1.0 ab |
| Merlot/2021 | 173.9 ± 16.2 c | 121.0 ± 13.4 c | 15.1 ± 0.7 c | 19.2 ± 1.0 ab |
| Blatina/2021 | 325.3 ± 38.6 a | 115.2 ± 14.4 c | 29.8 ± 0.9 a | 22.8 ± 1.8 a |
| Vranac/2021 | 272.1 ± 28.8 a | 130.1 ± 19.0 bc | 26.6 ± 0.6 a | 18.5 ± 1.5 ab |
| Year (Y) | 16.13 *** | 33.21 *** | 6.60 *** | 0.02 ns |
| Variety (V) | 25.26 *** | 3.94 * | 205.47 *** | 3.26 * |
| Y × V | 2.10 ns | 3.15 * | 16.64 *** | 4.31 ** |
| Mean Values (± Standard Error of Mean) | ||||
| Year | ||||
| 2020 | 297.7 ± 13.5 a | 187.1 ± 8.7 a | 19.6 ± 1.2 b | 19.3 ± 0.7 a |
| 2021 | 240.9 ± 15.9 b | 130.4 ± 7.6 b | 21.1 ± 1.2 a | 19.4 ± 0.7 a |
| Variety | ||||
| Cabernet Sauvignon | 195.4 ± 7.8 c | 181.6 ± 10.2 a | 12.1 ± 0.4 d | 16.8 ± 0.8 b |
| Merlot | 226.1 ± 15.3 c | 163.7 ± 12.8 ab | 15.1 ± 0.4 c | 19.8 ± 0.8 a |
| Blatina | 349.6 ± 22.6a | 155.1 ± 15.6 ab | 26.0 ± 1.2 b | 20.2 ± 1.2 a |
| Vranac | 306.0 ± 19.0 b | 134.5 ± 12.1 b | 28.2 ± 0.6 a | 20.6 ± 1.1 a |
a–d Different letters within the same column indicate statistically significant difference at p < 0.05 by Duncan’s test; ***, **, * significant at p < 0.001, p < 0.01 and p < 0.05, respectively; ns—not significant.