Sidney is an early maincrop, white fleshed, processing variety and it is suitable for the French fries industry. Due to the combination of a cream flesh color and very good dry matter distribution, Sidney is highly suitable for the QSR market (fast-food chains), which is a large market.
- Big sized tubers
- Good virus resistances
- Good dormancy
Plant and tuber characteristics
- Maturity: early maincrop / 6
- Light sprout colour: -
- Flower colour: white
- Number of berries: -
- Foliage - initial development: quite fast / 7
- Foliage - final development: quite good / 7,5
- Foliage - firmness: quite firm / 7,5
- Skin colour: yellow
- Flesh colour: creamy / 4,5
- Skin finish: quite poor / 5
- Tuber shape: long oval
- Regularity of tuber shape: quite regular / 6,5
- Tuberisation: average / 6
- Tuber size: quite large / 7,5
- Regularity of tuber size: quite regular / 6,5
- Dormancy: average / 6,5
Sensitivity and quality
- Secondary growth: quite sensitive / 6,5
- Black spot (internal bruising): slightly sensitive / 7,5
- Growth cracks: sensitive / 5,5
- Harvest damage: slightly sensitive / 7
- Metribuzin - pre-emergence: quite sensitive / 6,5
- Metribuzin - post-emergence: quite sensitive / 6,5
- Ethylene: 5% fewer to 5% more tubers / 5
- Underwater weight: 396 Dry matter content: 21,5%
- Cooking type: rather floury / B
- Discolouration after cooking: slightly sensitive / 7
- Raw discolouration: slightly sensitive / 7,5
- Fries quality: above average / 6,5
- Dry matter distribution: excellent / 8,5
- Crisping quality: - TGA - level: 5,5
Resistances
- Virus - Leafroll: -
- Virus - Yn: slightly to not susceptible / 8
- Virus - Yntn: slightly susceptible / 7,5
- Spraing: slightly to not susceptible / 8
- Late blight - foliage: very susceptible / 4
- Late blight - tuber: slightly to not susceptible / 8
- Fusarium: slightly susceptible / 6
- Common scab: susceptible / 5,5
- Powdery scab: slightly susceptible / 6
- Black dot: susceptible / 5,5
