Genetic origin of 14 rootstocks in this investigation: rootstock name, abbreviation, and species or species crosses used to derive each rootstock.
| Rootstock | Genetic origin |
|---|---|
| a1613C (V. labruscana X V. riparia x V. vinifera). | |
| Rupestris St. George (St. George) | Vitis rupestris |
| 1103 Paulson (1103P) | V. berlandieri x V. rupestris |
| 110 Richter (110R) | V. berlandieri x V. rupestris |
| 5BB Kober (5BB) | V. berlandieri x V. riparia |
| 420A Millardet et de Grasset (420A) | V. berlandieri x V. riparia |
| 5C Teleki (5C) | V. berlandieri x V. riparia |
| 101-14 Millardet et de Grasset (101-14) | V. riparia x V. rupestris |
| 3309 Couderc (3309C) | V. riparia x V. rupestris |
| 1616 Couderc (1616C) | V. solonis x V. riparia |
| Salt Creek (Ramsey) | V. champinii |
| Freedom | V. champinii x 1613Ca |
| Harmony | V. champinii x 1613Ca |
| 44–53 Malegue (44–53) | V. riparia x (V. cordifolia x V. rupestris) |
| O39-16 | V. vinifera x Muscadinia rotundifolia |