Table 2.
Vegetative growth and yield components recorded on Viognier B and Carignan N grapevines during growing season 2017.
| Treatment | Total | Shoots/ | Primary | Lateral | Yield/vine | Brunches/ | Bunch | Berry | |
|---|---|---|---|---|---|---|---|---|---|
| LA/vine | vine | LA/vine | LA/vine | (kg) | vine | mass (g) | mass (g) | ||
| (cm2) | (cm2) | (cm2) | |||||||
| Viognier B | |||||||||
| DW-1 | 7 036 a | 7 | 957 a | 49 a | 1.32 b | 8 | 165 b | 1.03 ab | |
| DW-2 | 7 696 ab | 7 | 1 053 ab | 46 a | 1.25 b | 8 | 156 b | 1.12 bc | |
| TWW-C1 | 8 461 ab | 7 | 1 151 ab | 57 ab | 1.38 b | 8 | 173 bc | 1.14 bc | |
| TWW-C2 | 8 911 b | 7 | 1 204 b | 69 b | 1.51 b | 8 | 189 c | 1.24 c | |
| NI | nd | nd | nd | nd | 1.00 a | 8 | 125 a | 0.93 a | |
| Sig. | * | ns | * | * | * | ns | * | * | |
Carignan N |
|||||||||
| DW-1 | 44 084 a | 9 | 4 722 a | 176 a | 1.68 a | 9 | 187 a | 2.18 | |
| DW-2 | 54 342 ab | 9 | 5 875 ab | 163 a | 1.71 a | 9 | 190 a | 2.16 | |
| TWW-C1 | 42 621 a | 9 | 4 589 a | 146 a | 2.21 a | 9 | 245 a | 2.00 | |
| TWW-C2 | 66 263 b | 9 | 6 963 b | 400 b | 2.83 b | 9 | 314 b | 2.20 | |
| NI | nd | nd | nd | nd | 2.04 a | 9 | 227 a | 2.06 | |
| Sig. | * | ns | * | * | ns | * | ns | ||
Data are means of each treatment. Each value represents n = 6 for LA/vine; n = 12 for LA/shoot; 30 for yield/vine, bunches/vine and brunch mass; and n = 600 for berry mass by each treatment. Different letters within columns for each grapevine indicate a significant difference at p < 0.05 (LSD test). *Denote a significant difference between treatments. LA, leaf area; ns, not significant; nd, not determined; DW, drinking water; TWW-C treated wastewater quality C; NI, non-irrigated; 1, standard irrigation; 2, reinforced irrigation.
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