Twinner

Twinner is an early table variety with excellent Foliage and Tuber Blight resistance and is one of the Next Generation of Blight resistant varieties.

The tubers are large and oval in shape, with a yellow skin and flesh colour. The cooked texture is firm with a good flavour. The variety has a good dry matter with processing potential.

  • Market outlet: table and organic
  • Large oval tubers with yellow skin and flesh
  • Good dry matter
  • Resistant to PCN Rostochiensis
Newest breed available
Twinner nestje met doorsnee
Twinner FF®Agrico20
Twinner SNG CL®Agrico20
Twinner op de grond

Suggested fertiliser treatment
Nitrogen: standard advice +50kg/Ha, Split application may increase tuber numbers.
Potassium: standard advice.
Phosphate: standard advice.

Cultivation
Schedule irrigation on lighter soils for Common Scab control.

Plant spacing
35/45mm: 23cm (48,000 plants/Ha).
45/55mm: 27cm (41,000 plants/Ha).
Spacing figures for 90cm row width.

Herbicide sensitivity
Metribuzin (Sencorex) can be used on Twinner.

Storage
Average dormancy and is suitable for medium term storage.

Twinner characteristics

Plant and tuber

  • Maturity
    Early | 7,5
  • Tuber shape
    Oval long
  • Flesh Colour
    Yellow | 7
  • 5 low | 9 high
    Tuber number
    Low | 5
  • 5 small | 8 large
    Tuber size
    Quite large | 7,5
  • Skin colour
    Yellow
  • Flower colour
    White
  • 4 none | 8 many
    No. of berries
    Few | 4,5
  • 4 slow | 8 fast
    Foliage: - initial development
    Quite fast | 7,5
  • 4 slow | 8 fast
    Foliage: - final development
    Quite fast | 7
  • Foliage: - selectability
    Average | 6
  • 4 weak | 8 firm
    Foliage: - firmness
    Quite firm | 7
  • Lightsprout colour
    Red-purple
  • 4 irregular | 8 regular
    Uniformity of shape
    Regular | 7
  • 5 irregular | 8 regular
    Uniformity of size
    Quite regular | 6,5
  • 3 insufficient | 8 excellent
    Skin finish
    Good | 7

Quality characteristics

  • 6 average | 9 high
    Average yield
    Average | 6,5
  • 300 low | 500 high
    Underwater weight
    359
  • A firm | AB rather firm | B rather floury | BC floury | C floury
    Cooking type
    Rather firm | AB
  • 4 short | 8 long
    Dormancy
    Average | 6
  • Resistance to harvest damage
    Minimum sensitive | 7
  • 4 very sensitive | 8 minimum to none sensitive
    Secondary growth
    Quite sensitive | 6
  • 4 very sensitive | 8 minimum to none sensitive
    Growth cracks
    Minimum sensitive | 7
  • 4 very sensitive | 8 minimum to none sensitive
    Black spot
    Minimum sensitive | 7
  • 17% low | 26,5% high
    Dry matter content
    20%
  • 5 moderate | 8 excellent
    Dry matter distribution
    -
  • 1 very low | 11 quite high
    TGA level
    7,8
  • 4 very sensitive | 8 minimum to none sensitive
    Raw discolouration
    Quite sensitive | 6
  • 4 very sensitive | 8 minimum to none sensitive
    Discolouration after cooking
    Quite sensitive | 6,5
  • 4 insufficient | 8 excellent
    Suitable for chipping
    Average | 6,5
  • 4 insufficient | 8 excellent
    Suitable for crisping
    Moderate | 5

Disease resistances

  • Late blight foliage
    Minimum to non susceptible | 8
  • Late blight tuber
    Minimum to non susceptible | 8,5
  • Common scab
    Susceptible | 5,5
  • PCN Ro 1/4
    Resistant | 9
  • PCN Ro 2/3
    Susceptible | 1
  • PCN Pa 2 Pallida
    Susceptible | 1
  • PCN Pa 3 Pallida
    Susceptible | 1
  • Powdery scab
    Very susceptible | 3
  • Fusarium
    Minimum susceptible | 6
  • Blackleg
    -
  • Black dot
    -
  • Spraing
    Susceptible | 5
  • Leafroll
    -
  • A
    -
  • X
    -
  • Yn
    Minimum susceptible | 7
  • Virus - Yntn (tuber symptoms)
    Very susceptible | 3
  • Wart disease F1
    Resistant | 10
  • Wart disease F6
    -
  • Wart disease F18
    -