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