Authors: Eric R. Capps, Viticulture Extension Assistant, Alson H. Smith Agricultural Research and Extension Center, Virginia Tech. Currently Graduate Research Assistant, Virginia Tech; Tony K. Wolf, Viticulture Extension Specialist, Alson H. Smith Agricultural Research and Extension Center, Virginia Tech, Winchester, VA; B. Jerry Walker, Financing Specialist, Agricultural Development Services, Virginia Department of Agriculture and Consumer Services, Richmond, VA.
Publication Number 463-008, posted June, 1998
Table 1. Training and vine spacing dimensions and expected yields of the four training systems evaluated in the budgets.
| Parameter | Non-divided canopy VSP 7'x7' | Non-divided canopy VSP lO'x7' | Divided canopy Iyre 10'x7' | Divided canopy Smart-Dyson lO'x7' |
|---|---|---|---|---|
| Row width (ft) | 7 | 10 | 10 | 10 |
| Vine spacing in row (ft) | 7 | 7 | 7 | 7 |
| Post spacing in row (ft) | 28 | 28 | 28 | 28 |
| Row length (ft) | 448 | 448 | 448 | 448 |
| Posts per row | 17 | 17 | 17 | 17 |
| Rows per acre | 14 | 10 | 10 | 10 |
| Vines per row | 64 | 64 | 64 | 64 |
| Vines per acre (based on model) | 896 | 640 | 640 | 640 |
| Feet of canopy per row | 448 | 448 | 896 | 896 |
| Feet of canopy per acre | 6,272 | 4,480 | 8,960 | 8,960 |
| Model area (43,560 ft2 per acre) | 43,904 | 44,800 | 44,800 | 44,800 |
| Yield at maturity (tons/acre) | 5.6 | 4.0 | 6.8 | 6.0 |
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