3309 C
The most widely used rootstock for ultra premium programs
Moderate to high vigor
Advantages:
- Phylloxera resistant
- Strong history for ultra-premium programs
- Fast establishment
Limitations:
- Poor nematode resistance
- Easily sTreesed, especially when young
- Can strongly manifest virus symptoms if sTreesed
- incompatibility potential with 'no-history' wood
Successful Applications:
- High density plantings in premium wine growing regions
- Predominant rootstock for Oregon Vineyards
- Has performed well in San Joaquin Delta and Foothill County soils
Should be tried and tested for:
- Split canopy on high vigor soils
There are better alternatives for:
- Replantings
- High magnesium / calcium soils
- Virused or unknown history budwood
- Nematode infested sites