Jacky

A second early, small size ware variety with a high yield and natural resistance against late blight in foliage and tuber.

  • Rather floury cooking
  • High tuberisation
  • Good tolerance against bruising and damage
Next Generation Jacky
Jacky SNG CL®Agrico20
Agrico Aardappelveld
Jacky in de handen

Suggested fertiliser treatment
Nitrogen: standard advice.
Potassium: standard advice.
Phosphate: standard advice.

Cultivation
It is recommended to apply a seed treatment against Rhizoctonia.
Maintain soil moisture levels through the tuber initiation stage of growth to avoid common scab.

Plant spacing
30/40mm: 17cm (98,000 plants/Ha) for 3 rows in a 1.8m bed.
40/50mm: 19cm (88,000 plants/Ha) for 3 rows in a 1.8m bed.

Fungicides
Continue to monitor Hutton criteria for blight alerts.

Storage
Refrigeration is required for long term storage as the variety has medium dormancy.

Plant and tuber characteristics

  • Maturity
    second early / 6,5
  • Light sprout colour
    green red / GR
  • Flower colour
    light purple / LP
  • Number of berries
    below average / 6,5
  • Foliage - initial development
    quite fast / 7,5
  • Foliage - final development
    quite good / 7,5
  • Foliage - firmness
    quite firm / 7
  • Foliage - selectability
    quite easy / 7
  • Skin colour
    yellow / Y
  • Flesh colour
    light yellow / 6,5
  • Skin finish
    above average / 6,5
  • Tuber shape
    round oval / RO
  • Regularity of tuber shape
    quite regular / 6,5
  • Tuberisation
    high / 9
  • Tuber size
    average / 6,5
  • Regularity of size
    quite regular / 6
  • Dormancy
    quite short / 5,5

Sensitivity and quality

  • Secondary growth
    quite sensitive / 6
  • Black spot (internal bruising)
    slightly to not sensitive / 8
  • Growth cracks
    quite sensitive / 6,5
  • Harvest damage
    slightly to not sensitive / 8
  • Metribuzin - pre-emergence
    slightly sensitive / 7,5
  • Metribuzin - post-emergence
    slightly sensitive / 7
  • Bentazon
    - / -
  • Ethylene
    15% to 25% more tubers / 7
  • Underwater weight
    368
  • Dry matter content
    20,1%
  • Cooking type
    rather floury / B
  • Discolouration after cooking
    quite sensitive / 6,5
  • Raw discolouration
    quite sensitive / 6
  • Fries quality
    below average / 5,5
  • Dry matter distribution
    good / 7
  • Crisping quality
    unsuitable / 5
  • TGA-level
    14,05
  • Carvone oil
    5% fewer tubers / 4
  • Dormancy
    quite short / 5,5

Resistances

  • Virus - Leaf roll
    - / -
  • Virus - Yn
    very susceptible / 4,5
  • Virus - Yntn (tuber)
    slightly to not susceptible / 8
  • Spraing
    slightly susceptible / 6
  • Late blight - foliage
    slightly to not susceptible / 9
  • Late blight - tuber
    slightly to not susceptible / 9
  • Fusarium
    susceptible / 5,5
  • Common scab
    susceptible / 5,5
  • Powdery scab
    very susceptible / 2
  • Virus - A
    - / -
  • Virus - X
    - / -
  • Black dot
    slightly susceptible / 6
  • Erwinia
    - / -
  • Wart disease F1
    - / -
  • 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
    - / -

Would you like to know more about our potato solutions?

Agrico goes beyond just supplying high-quality seed and ware potatoes. We are involved with our customers and provide comprehensive advice in several areas. We have innovative varieties, make use of independent certification, have extensive quality assurance, actively respond to knowledge sharing, are committed to fast and reliable delivery, and have a worldwide network.

If you have a specific question or would like to know what Agrico can do for you, please feel free to contact us.

Alex Moore
Sales Manager
Alex Moore