Treatment | Mean cane wt g | Pruning wg kg/m | Yield pruning wt kg/g | Yield: canopy surface area kg/m2 | Leaf area: yield m2/kg | ||||
2008 | 2009 | 2008 | 2009 | 2008 | 2009 | 2008 | 2009 | 2008 | |
Control | 64.1 | 57.7 | 0.81 | 0.60 | 4.80 | 8.98 ba | 2.03 b | 2.90 c | 1.74 |
Inflorescence swelling | 62.5 | 58.5 | 0.74 | 0.63 | 3.43 | 5.92 a | 1.49 ab | 2.17 ab | 2.56 |
80% capfall | 62.1 | 53.0 | 0.71 | 0.62 | 4.06 | 7.04 ab | 1.44 ab | 2.39 bc | 2.54 |
Fruitset | 64.5 | 58.2 | 0.79 | 0.59 | 3.21 | 6.95 ab | 1.39 ab | 2.22 ab | 2.73 |
Bunch closure | 60.2 | 55.9 | 0.77 | 0.58 | 3.57 | 6.76 ab | 1.46 ab | 2.01 ab | 2.60 |
Veraison | 53.6 | 51.5 | 0.63 | 0.53 | 3.49 | 5.76 a | 1.26 a | 1.62 a | 2.97 |
Veraison + 2 weeks | 56.7 | 62.7 | 0.72 | 0.59 | 3.21 | 5.27 a | 1.24 a | 1.69 a | nmc |
Veraison + 4 weeks | 59.1 | 45.3 | 0.71 | 0.50 | 3.17 | 5.71 a | 1.10 a | 1.62 a | nm |
Veraison + 6 weeks | 59.0 | 54.6 | 0.73 | 0.53 | 3.15 | 5.81 a | 1.27 a | 1.71 a | nm |
Significance | nsb | ns | ns |
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Optimum values | 20 - 40 | 0.3 - 0.6 | 5 - 10 | 1.0 - 1.5 | 0.8 - 1.2 |