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
  - / -