Riviera

Plant and tuber characteristics

• Maturity:
  first early / 8
• Light sprout colour:
  blue violet / BV
• Flower colour:
  white / W
• Number of berries:
  very high / 4
• Foliage - initial development:
  quite fast / 7
• Foliage - final development:
  average / 7
• Foliage - firmness:
  average / 6,5
• Foliage - selectability:
  average / 6,5
• Skin colour:
  yellow / Y
• Flesh colour:
  light yellow / 6
• Skin finish:
  excellent / 8
• Tuber shape:
  oval round / OR
• Regularity of tuber shape:
  quite regular / 6
• Tuberisation:
  quite low / 5
• Tuber size:
  quite large / 7,5
• Regularity of size:
  regular / 7
• Dormancy:
  average / 6

Sensitivity and quality

• Secondary growth:
  quite sensitive / 6,5
• Black spot (internal bruising):
  slightly to not sensitive / 8
• Growth cracks:
  quite sensitive / 6,5
• Harvest damage:
  quite sensitive / 6
• Metribuzin - pre-emergence:
  slightly to not sensitive / 8
• Metribuzin - post-emergence:
  slightly to not sensitive / 8
• Bentazon:
  - / -
• Ethylene:
  5% to 15% more tubers / 6
• Underwater weight:
  318
• Dry matter content:
  17,7%
• Cooking type:
  rather firm / AB
• Discolouration after cooking:
  sensitive / 5,5
• Raw discolouration:
  - / -
• Fries quality:
  unsuitable / 4,5
• Dry matter distribution:
  - / -
• Crisping quality:
  unsuitable / 4
• TGA-level:
  4,8
• Carvone oil:
  5% fewer tubers / 4
• Dormancy:
  average / 6

Resistances

• Virus - Leaf roll:
  slightly susceptible / 7
• Virus - Yn:
  slightly to not susceptible / 8
• Virus - Yntn (tuber):
  slightly susceptible / 7
• Spraing:
  very susceptible / 4
• Late blight - foliage:
  very susceptible / 3
• Late blight - tuber:
  susceptible / 5
• Fusarium:
  slightly susceptible / 6
• Common scab:
  susceptible / 5,5
• Powdery scab:
  very susceptible / 2
• Virus - A:
  - / -
• Virus - X:
  - / -
• Black dot:
  susceptible / 5,5
• Erwinia:
  susceptible / 5
• Wart disease F1:
  resistant / 10
• Wart disease F6:
  - / -
• Wart disease F18:
  - / -
• Golden nematode Ro 1/4:
  resistant / 9
• Golden nematode Ro 2/3:
  - / -
• White nematode Pa 2:
  - / -
• White nematode Pa 3:
  - / -