Opal
Opal is a medium early crisp variety. Excellent product quality after cold and long-term storage. It is also suitable for the production of dehydrated products. Small, oval tubers with light yellow flesh color. Resistant to PCN Ro1, Ro4; high resistances to leaf- and tuber blight, black leg, common scab and internal rust spot.
Plant
|
| Maturity |
Medium early |
| Plant type |
Stem type |
| Growth habit |
Semi-upright |
| Color of flower |
Red-violet |
| Foliage development |
Rapid, Medium |
| Number of tubers |
Medium, High |
| Dormancy |
Very high |
Tuber characteristics
|
| Tuber shape |
Round oval |
| Flesh color |
Light yellow |
| Eye depth |
Medium |
| Skin color |
Yellow |
| Skin characteristic |
Netted |
Resistances
|
| Nematodes |
Ro 1, Ro 4 |
| Potato wart disease |
Race 1 * |
| Leaf blight |
Medium, High |
| Tuber blight |
High |
| Rhizoctonia |
Medium |
| Black leg |
High |
| Common scab |
Medium, High |
| Internal rust spot |
High |
| Second growth |
High |
| Damages |
Medium |
| Bruising |
Medium, High |
| PVY |
Medium, High |
| PVY ntn |
High |
| PLRV |
Low, Medium |
Yield and Quality
|
| Market outlet |
Crisps |
| Yield |
Medium, High |
| Share oversize |
Medium, High |
| Share undersize |
Low, Medium |
| Dry matter content |
Medium |
| Chips quality after harvest |
Very good |
| Chips quality after longterm storage |
Very good |
* was found to be resistant in one EU country
