The Arosa potato is an early-maturing variety developed by German breeders in the late 1990s. It is known for its high yield, drought tolerance, and adaptability to various soil types and climatic conditions.
Plant Characteristics
- Maturity: Very early
- Plant Type: Intermediate
- Growth Habit: Medium height
- Flower Color: Red-violet
- Foliage Development: Rapid
- Number of Tubers: Medium
- Dormancy Period: Medium
Tuber Characteristics
- Shape: Oval
- Skin Color: Red
- Eye Depth: Shallow to medium
- Flesh Color: Yellow
- Appearance: Smooth
Resistances
- Black scurf (Rhizoctonia solani): High
- Potato cyst nematodes (Globodera rostochiensis): Ro 1, 4
- Late blight (foliage): Medium
- Late blight (tubers): High
- Common scab: High
- Rhizoctonia: High
- Bacterial soft rot (Erwinia spp.): High
- Internal rust spot: High
- Mechanical damage resistance: High
- Blackening of flesh: High
- Potato leafroll virus (PLRV): Medium to high
Yield and Quality
- Primary Use: Table consumption, French fries
- Yield: Medium to high
- Above-standard yield: Medium to high
- Below-standard yield: Low
- Culinary Type: B (moderately firm, suitable for boiling and frying)
- Discoloration after boiling: Low
- Discoloration when raw: Very low to low
- Dry Matter Content: Medium to high (18–20%)