Field information for Pierce’s disease-positive vineyards.
| Vineyard | Variety | Vine × row space | Planting year |
|---|---|---|---|
| A | Perlette | 3.6 × 2.4 m | 1970 |
| B | Flame seedless | 3.6 × 2.4 m | 1970 |
| C | Superior seedless | 3.5 × 1.7 m | 1987 |
| D | Perlette | 3.6 × 2.1 m | 1985 |
| E | Flame seedless | 3.7 × 2.2 m | 1983 |
| F | Flame seedless | 3.6 × 2.5 m | 1983 |
| G | Thompson seedless | 3.6 × 2.4 m | 1985 |