Ultra
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.
Plant |
|
| 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 |
Resistances |
|
| 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 |