Napoleon excels because of the uniformly sized round oval tubers, excellent frying quality, very good dry matter distribution and very few sugar defects in the final product.
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: - / -
