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Rootstock |
Synonym |
Parentage |
Vigor |
Phylloxera Resistance |
Nematode X. Index (Dagger) |
Resistance M. incognita (Root-Knot) |
Soil Preference |
Drought Resistance |
Wet Feet |
Active Lime Resistance |
Salt Resistance |
Influence Maturity |
General Comments |
Riparia Gloire |
Gloire de Montpellier |
V. riparia |
Low/ Moderate |
High |
Moderate |
Deep/Fertile |
Low |
High |
Low <6% |
Early |
|||
Saint George |
Rupestris du Lot |
V. rupestris |
Very High |
High |
Susceptible but tolerant |
Deep, Uniform, Loam |
High |
Low |
14% |
Moderate |
Late |
Susceptible to oak root fungus. Suitable for dry-farmed sites. Tends to reduce fruit sets. |
|
1613 Couderc |
1613C |
V. solonis x Othello |
Moderate |
Low |
High |
Moderate |
Deep/Fertile |
Low |
Low |
||||
1616 Couderc |
1616C |
V. solonis x V. riparia |
Low |
Moderate/High |
Moderate |
Deep/Fertile |
High |
11% |
Moderate/High |
Early |
|||
3306 Couderc |
3306C |
V. riparia x V. rupestris |
Moderate |
Moderate |
Resistant |
Low |
Low |
Resistant to M. arenaria |
|||||
3309 Couderc |
3309C |
V. riparia x V. rupestris |
Moderate/High |
High |
Susceptible |
Susceptible |
Deep Well Drained |
Low |
High |
11% |
Low/ Moderate |
Mid |
Improves Fruit Set |
44-53 Malegue |
44-53M |
V. riparia x 144M |
Moderate |
Moderate/High |
Moderate |
Susceptible |
Loam/Good Fertility |
Moderate |
High |
10% |
Mid |
Often suffers from Mg deficiency |
|
101-14 Millardet Et De Grasset |
101-14 Mgt. |
V. riparia x V. rupestris |
Low/ Moderate |
High |
Moderate |
Heavy Clay |
Low/ Moderate |
High |
9% |
Very Low |
Early |
More vigorous than Riparia Gloire--advances maturities of late varieties |
|
Swarzmann |
Swarzmann |
V. riparia x V. rupestris |
Low/ Moderate |
High |
High |
Some |
Deep/Fertile |
Low/ Moderate |
6-9% |
||||
41B Millardet Et De Grasset |
41B |
V. berlandieri x V. vinifera |
Low |
Susceptible |
Susceptible |
Dry Lime |
Low/ Moderate |
Low |
40% |
Very Low |
Early |
||
420A Millardet Et De Grasset |
420A |
V. berlandieri x V. riparia |
Low |
Moderate |
Moderate |
Deep/Fertile |
Low |
Moderate |
20% |
Low |
Late |
Suitable for high density plantings. Less vigorous than 5C & 5BB. Susceptible to potassium deficiency. |
|
Oppenheim #4 |
SO4 |
V. berlandieri x V. riparia |
Moderate |
High |
High |
Moderate |
Clay |
Low |
High |
18% |
Low |
Mid |
Suitable for grapes with poor set |
5A Teleki |
5A |
V. berlandieri x V. riparia |
High |
High |
Moderate |
Deep/Fertile |
Low |
20% |
Very Low |
Early |
Genetically identical to 5BB. |
||
5BB Kober |
5BB |
V. berlandieri x V. riparia |
Moderate |
High |
Moderate |
Clay |
Low |
High |
20% |
Very Low |
Mid |
Slightly more drought tolerant than 5C or 420A, yet less than 110R & St. George. Not recommended for sites with standing water or a history of phytophthora. Genetically identical to 5A. |
|
5C Teleki |
5C |
V. berlandieri x V. riparia |
Moderate |
High |
Moderate |
Clay |
Low |
High |
20% |
Early |
Similar to 5BB, more suitable for higher attitudes. |
||
1103 Paulsen |
1103P |
V. berlandieri x V. rupestris |
High |
High |
Susceptible |
Moderate |
Clay, Lime |
High |
High |
18% |
Moderate |
Late |
Vigor is between 99R and 110R |
99 Richter |
99R |
V. berlandieri x V. rupestris |
High |
Moderate/High |
Susceptible |
Susceptible |
Deep Fertile/ |
Low |
Low |
17% |
Low |
Mid |
Sensitive to standing water |
110 Richter |
110R |
V. berlandieri x V. rupestris |
High |
High |
Moderate |
Moderate Fertility |
High |
High |
17% |
Moderate |
Late |
Suitable for hill-side-sand, dry-farmed sites can be overly vigorous on deep fertile soils. |
|
140 Ruggeri |
140Ru, Ru 140 |
V. berlandieri x V. rupestris |
Very High |
High |
Moderate |
Sandy |
High |
Moderate |
20% |
Moderate |
Late |
Tolerates a wide variety of soil. |
|
Freedom |
Freedom |
1613 C x V.champinii |
High |
Moderate |
Very High |
High |
Sandy |
Moderate/High |
Low |
Low |
Late |
Must use virus free scion material. More vigorous than Harmony, but less than Dog Ridge and Salt Creek. |
|
Harmony |
Harmony |
1613 C x V. champinii |
High |
Low |
Susceptible |
High |
Sandy |
Moderate/High |
More vigorous than 1613C, less than Dog Ridge and Salt Creek. |
||||
Ramsey |
Salt Creek |
V. champinii |
Very High |
Moderate |
High |
High |
Light Sand |
High |
Moderate |
High |
Late |
Tends to have Zn deficiency. Less vigorous than Dog Ridge. Reduced fruit set. |
|
VR 039-16 |
039-16 |
V. vinifera x V. rotundifolia |
High |
Low |
Very High |
Susceptible |
Low |
Late |
Highly recommended for vineyard sites infested with grape fan leaf virus. |