Napoleon is a maincrop crisping variety with a good uniformity of size and a high dry matter content.
Plant and tuber characteristics
- Maturity: maincrop / 5
- Light sprout colour: red violet
- Flower colour: white
- Number of berries: none / 4
- Foliage: initial development: quite fast / 7
- Foliage: final development: good / 8
- Foliage: selectability: average / 6,5
- Foliage: - plant firmness: quite firm / 7,5
- Flesh colour: light yellow / 6,5
- Skin colour: yellow
- Skin finish: quite poor / 5
- Tuber size: quite large / 7,5
- Tuber shape: round oval
- Regularity of tuber shape: regular / 7
- Tuberisation: average / 6
- Regularity size: regular / 7
Sensitivity and quality
- Dormancy: average / 6
- Metribuzin: slightly to not sensitive / 8
- Bentazon: - / -
- Ethylene: - / -
- Secondary growth: quite sensitive / 6,5
- Growth cracks: quite sensitive / 6
- Black spot (internal bruising): sensitive / 5,5
- Harvest damage: quite sensitive / 6,5
- Underwater weight: 450
- Dry matter content: 24,1%
- Dry matter distribution: good / 7
- TGA - level: 5,5
- Crisping quality: excellent / 8
- Fries quality: good / 7
- Cooking type: floury / BC
- Raw discolouration: quite sensitive / 6
- Discolouration after cooking: quite sensitive / 6
Resistances
- Golden nematode Ro 1/4: resistant / 9
- Golden nematode Ro 2/3: - / -
- White nematode Pa 2: susceptible / 4
- White nematode Pa 3: - / -
- Late blight-foliage: slightly susceptible / 6
- Late blight-tuber: slightly susceptible / 7,5
- Common scab: slightly susceptible / 6
- Powdery scab: - / -
- Fusarium: slightly susceptible / 6,5
- Erwinia: - / -
- Black dot: - / -
- Spraing: very susceptible / 4
- Virus - Leaf Roll: - / -
- Virus - A: - / -
- Virus - X: - / -
- Virus - Yn: slightly to not susceptible / 8
- Virus - Yntn: - / -
- Wart disease F1: moderate susceptible* / 7*
- Wart disease F6: - / -
- Wart disease F18: - / -
