Ultra is a medium early variety with large-sized (60 mm +), long oval tubers, light yellow skin and flesh color. Very suitable for areas around the Mediterranean Sea and with a good baking fraction. Good scab and late blight resistance. Prefers growing on light soil types. Suitable for long term storage. Resistant against PCN Ro1, Ro4 and potato wart disease race 6.


Maturity Medium early
Plant type Intermediate
Growth habit Upright
Color of flower White
Foliage development Rapid
Number of tubers Medium
Dormancy High

Tuber characteristics

Tuber shape Long oval
Flesh color Light yellow
Eye depth Very shallow, Shallow
Skin color Light yellow
Skin characteristic Smooth


Nematodes Ro 1, Ro 4
Potato wart disease Race 6
Leaf blight Medium
Tuber blight High
Rhizoctonia High
Black leg High
Common scab High
Internal rust spot High
Second growth High
Damages Medium
Bruising High
PVY Medium
PLRV Medium

Yield and Quality

Market outlet Ware, Directmarketing
Yield Very high
Share oversize Very high
Share undersize Very low
Cooking type Fairly firm cooking
Dry matter content Medium