A medium early starch variety, which is ideal for green-top harvest and early deliveries. Due to its pronounced dormancy and resistance against tuber rots, it is also suitable for bulk storage. Lukas is characterized by a broad resistance to PCN Ro 1 - 5 as well as Pa 2 (8) and Pa 3 (8).


Maturity Medium early
Plant type Intermediate
Growth habit Semi-upright
Color of flower White
Foliage development Rapid
Number of tubers Medium, High
Dormancy High, Very high

Tuber characteristics

Tuber shape Round oval
Flesh color Cream
Eye depth Medium
Skin color Yellow
Skin characteristic Netted


Nematodes Ro 1-Ro 5, Pa 2 (8), Pa 3
Leaf blight High
Tuber blight High
Rhizoctonia Medium, High
Black leg High
Common scab High
Damages Low, Medium
Bruising Low, Medium
PVY Very high

Yield and Quality

Market outlet Starch
Yield High
Share oversize Low
Share undersize Low, Medium
Dry matter content High
Dry matter yield High