Nirvana is a strong plant with firm foliage. The variety has oval tubers and yellow flesh, with good storability. Nirvana is suitable for conventional and organic cultivation.
Plant and tuber characteristics
- Maturity: early maincrop / 5,5
- Light sprout colour: red
- Flower colour: purple
- Number of berries: above average / 6,5
- Foliage: - initial development: quite fast / 7,5
- Foliage: - final development: good / 8
- Foliage: - selectability: quite easy / 7
- Foliage: - plant firmness: firm / 8
- Flesh colour: yellow / 7
- Skin colour: yellow
- Skin finish: quite poor / 5
- Tuber size: quite large / 7,5
- Tuber shape: oval
- Regularity of tuber shape: regular / 7
- Tuberisation: average / 6
- Regularity size: quite regular / 6,5
Sensitivity and quality
- Dormancy: long / 8
- Metribuzin: sensitive / 5
- Bentazon: - / -
- Ethylene: - / -
- Secondary growth: quite sensitive / 6
- Growth cracks: slightly sensitive / 7
- Black spot (internal bruising): quite sensitive / 6,5
- Harvest damage: sensitive / 5
- Underwater weight: 422
- Dry matter content: 22,8%
- Dry matter distribution: excellent / 8
- TGA - level: 3,5
- Crisping quality: average / 6
- Fries quality: good / 7
- Cooking type: floury / BC
- Raw discolouration: sensitive / 5
- Discolouration after cooking: quite sensitive / 6,5
Resistances
- Golden nematode Ro 1/4: susceptible* / 3*
- Golden nematode Ro 2/3: - / -
- White nematode Pa 2: moderately susceptible / 5
- White nematode Pa 3: susceptible* / 3*
- Late blight-foliage: slightly to not susceptible / 9
- Late blight-tuber: slightly to not susceptible / 9
- Common scab: susceptible / 5
- Powdery scab: - / -
- Fusarium: slightly to not susceptible / 8
- Erwinia: - / -
- Black dot: - / -
- Spraing: susceptible / 5,5
- Virus - Leaf Roll: - / -
- Virus - A: - / -
- Virus - X: - / -
- Virus - Yn: susceptible / 5,5
- Virus - Yntn: - / -
- Wart disease F1: very susceptible / 1
- Wart disease F6: - / -
- Wart disease F18: - / -