INA is a medium-late, high-yielding table potato variety from EUROPLANT with yellow flesh and smooth yellow skin. It offers good heat and drought tolerance, excellent storability and broad nematode resistance.
Key characteristics
- High yield
- Yellow flesh
- Good heat and drought tolerance
- Broad nematode resistance
- Attractive appearance
- Good long-term storability
- Predominantly firm cooking
- Medium to high tuber set
Variety characteristics
- Maturity: Medium late
- Cooking type: Predominantly firm cooking
- Culinary quality: High
- Yield: High
- Early development: Initially slow, then rapid
- Storage: Very low sprouting tendency; suitable for storage until May/June
- Tuber shape: Round oval
- Eye depth: Shallow to medium
- Flesh colour: Yellow
- Skin colour: Yellow
- Skin texture: Smooth
- Tuber number: Medium to high
Resistances and susceptibilities
- Nematode resistance: Ro1 (9), Ro2/3 (9), Ro5 (9), Pa2 (9), Pa3 (9)
- Nematode tolerance: Tolerant
- Common scab susceptibility: Low
- Internal rust spot susceptibility: Low
- Blackspot bruising: Very low to low
- Damage susceptibility: Low
Cultivation recommendations
- Site requirements: No special site requirements
- Planting depth: Standard
- Seed preparation: INA has good dormancy. Seed tubers should be evenly warmed for 7–10 days before planting.
- Planting density: Approximately 43,000 tubers/ha for 35/50 mm seed tubers
- Rhizoctonia: Seed treatment against Rhizoctonia is recommended
- Herbicides: No known sensitivities when used correctly
- Late blight: Medium foliage health; timely and regular fungicide applications against late blight are recommended
- Harvest: Standard
Fertilization recommendation
For a target yield of 500 dt/ha (50 t/ha) at a medium soil nutrient supply level:
- Nitrogen (N): 140 kg/ha
- Phosphorus (P₂O₅): 100 kg/ha
- Potassium (K₂O): 270–350 kg/ha
- Magnesium (MgO): 70 kg/ha
