Season | Treatment | Bunch weight (g) | Bunch length (cm) | Berry number per bunch | Weight of 10 berries (g) | Transverse diameter (mm) | Soluble solids content (Brix) | Acid content (g · 100 mL−1) | Anthocyanin (μg · cm−2) |
---|---|---|---|---|---|---|---|---|---|
2017 | Control | 279.7 ± 19.4 | 19.9 ± 0.8 | 163.5 ± 9.5 | 17.7 ± 0.7 | 12.6 ± 0.2 | 19.5 ± 0.4 | 1.49 ± 0.03 | 388.4 ± 54.1 |
>20% | 272.1 ± 15.4 | 18.8 ± 0.7 | 158.3 ± 10.4 | 17.1 ± 0.3 | 12.6 ± 0.1 | 19.2 ± 0.1 | 1.83 ± 0.06 | 332.6 ± 23.8 | |
2018 | Control | 215.7 ± 18.3 | 15.2 ± 0.4 | 113.9 ± 8.9 | 16.4 ± 0.3 | 13.1 ± 0.1 | 16.8 ± 0.4 | 0.98 ± 0.05 | 407.8 ± 47.6 |
>20% | 201.8 ± 11.0 | 15.1 ± 0.5 | 111.0 ± 5.6 | 15.6 ± 0.3 | 12.7 ± 0.1 | 16.2 ± 0.2 | 0.97 ± 0.03 | 323.6 ± 34.6 | |
2019 | Control | 205.5 ± 11.7 | 15.0 ± 0.5 | 112.6 ± 5.7 | 16.0 ± 0.2 | 13.1 ± 0.1 | 15.4 ± 0.3 | 0.99 ± 0.03 | 333.5 ± 35.7 |
>20% | 206.2 ± 11.5 | 15.4 ± 0.4 | 119.5 ± 6.8 | 16.2 ± 0.5 | 12.8 ± 0.1 | 15.6 ± 0.4 | 1.00 ± 0.03 | 273.4 ± 16.9 |
Season | Treatment | Bud break | Bloom | Full bloom | Véraison | Harvest |
---|---|---|---|---|---|---|
2017 | Control | April 25 | June 2 | June 9 | August 9 | October 4 |
>20% | April 25 | June 2 | June 9 | August 19 | October 4 | |
2018 | Control | April 16 | May 20 | May 28 | August 5 | October 1 |
>20% | April 16 | May 20 | May 28 | August 9 | October 1 | |
2019 | Control | April 28 | May 28 | June 4 | August 7 | September 28 |
>20% | April 28 | May 28 | June 4 | August 8 | September 28 |
Year | Date | Leaf water potential (MPa) | |
---|---|---|---|
Control | >20% | ||
2017 | August 2 | −0.61 ± 0.07 | −0.47 ± 0.03 |
August 11 | −0.44 ± 0.01 | −0.48 ± 0.03 | |
August 23 | −0.40 ± 0.01 | −0.47 ± 0.03 | |
2018 | July 21 | −0.99 ± 0.08 | −0.68 ± 0.04 |
July 23 | −0.83 ± 0.04 | −0.77 ± 0.05 | |
July 25 | −0.79 ± 0.02 | −0.70 ± 0.04 | |
July 30 | −0.76 ± 0.05 | −0.67 ± 0.01 | |
August 13 | −0.61 ± 0.01 | −0.56 ± 0.06 | |
August 15 | −0.61 ± 0.04 | −0.55 ± 0.03 | |
August 18 | −0.55 ± 0.05 | −0.58 ± 0.04 | |
2019 | July 30 | −0.61 ± 0.04 | −0.61 ± 0.01 |
August 2 | −0.62 ± 0.02 | −0.61 ± 0.02 | |
August 4 | −0.63 ± 0.05 | −0.63 ± 0.01 | |
August 10 | −0.77 ± 0.03 | −0.71 ± 0.04 | |
August 12 | −0.79 ± 0.02 | −0.76 ± 0.02 | |
August 14 | −0.71 ± 0.02 | −0.72 ± 0.02 |
Month | Average temperature (°C) | Maximum temperature (°C) | Minimum temperature (°C) | GDD | Precipitation (mm) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2017 | 2018 | 2019 | 2017 | 2018 | 2019 | 2017 | 2018 | 2019 | 2017 | 2018 | 2019 | 2017 | 2018 | 2019 | |
April | 13.2 | 15.6 | 13.2 | 21.0 | 23.9 | 20.8 | 6.8 | 8.5 | 5.9 | 96 | 169 | 96 | 85 | 76 | 52.5 |
May | 19.4 | 19.0 | 18.9 | 27.5 | 26.7 | 27.3 | 12.4 | 12.6 | 11.2 | 287 | 279 | 272 | 50.5 | 104.5 | 77.5 |
June | 21.9 | 22.4 | 21.9 | 29.5 | 29.0 | 28.6 | 15.8 | 16.9 | 16.8 | 356 | 372 | 358 | 54 | 68 | 133 |
July | 27.3 | 28.1 | 24.7 | 34.6 | 34.9 | 31.1 | 22.1 | 22.8 | 21.0 | 532 | 560 | 455 | 65.5 | 138.5 | 172.5 |
August | 27.2 | 27.7 | 27.6 | 34.3 | 35.3 | 34.9 | 22.6 | 22.2 | 23.1 | 534 | 550 | 546 | 129.5 | 134 | 111 |
September | 22.3 | 22.4 | 24.7 | 29.0 | 28.3 | 32.1 | 17.2 | 18.7 | 19.5 | 370 | 373 | 441 | 112.5 | 276 | 84.5 |
October | 16.2 | 17.6 | 18.3 | 21.3 | 25.0 | 23.9 | 12.0 | 12.0 | 14.2 | 194 | 238 | 264 | 455 | 41.5 | 306.5 |
Total | 2369 | 2541 | 2432 | 952 | 838.5 | 937.5 |