Opal

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
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