Meryem

Plant and tuber characteristics

• Maturity
  maincrop / 5
• Light sprout colour
  red violet / RV
• Flower colour
  light purple / LP
• Number of berries
  below average / 6,5
• Foliage - initial development
  fast / 8
• Foliage - final development
  good / 8
• Foliage - firmness
  quite firm / 7,5
• Foliage - selectability
  quite easy / 7
• Skin colour
  red / R
• Flesh colour
  light yellow / 6,5
• Skin finish
  above average / 6,5
• Tuber shape
  long oval / LO
• Regularity of tuber shape
  quite regular / 6,5
• Tuberisation
  quite high / 7
• Tuber size
  quite large / 7,5
• Regularity of size
  quite regular / 6,5
• Dormancy
  short / 4

Sensitivity and quality

• Secondary growth
  quite sensitive / 6,5
• Black spot (internal bruising)
  slightly sensitive / 7
• Growth cracks
  slightly sensitive / 7
• Harvest damage
  quite sensitive / 6
• Metribuzin - pre-emergence
  quite sensitive / 6,5
• Metribuzin - post-emergence
  slightly sensitive / 7,5
• Bentazon
  - / -
• Ethylene
  5% to 15% more tubers / 6
• Underwater weight
  349
• Dry matter content
  19,2%
• Cooking type
  rather floury / B
• Discolouration after cooking
  quite sensitive / 6,5
• Raw discolouration
  - / -
• Fries quality
  below average / 5,5
• Dry matter distribution
  - / -
• Crisping quality
  unsuitable / 4
• TGA-level
  3,3
• Carvone oil
  5% fewer tubers / 4
• Dormancy
  short / 4

Resistances

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