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Rudolph

Rudolph is an early maincrop ware variety with an attractive red skin, good heat tolerance and a very high yield.

It is an extremely versatile potato and is a popular choice for baking, mashing and roasting. It produces large oval round, shallow eyed tubers of uniform size. The cooking texture is quite firm with a good dry matter. Rudolph is happy in most soil types but can be susceptible to Common Scab.

  • Market outlet: table & export
  • High yielding
  • Large uniform oval round tubers
  • Dark red skin with white flesh colour

Downloads

Agrico Variety Open Day 2023 Book
Rudolph nestje met doorsnee
Rudolph SNG CL®Agrico20
Rudolph WDG®Agrico20
Harvested Rudolph potatoes in the field

Suggested fertiliser treatment
Nitrogen: standard advice + 5%, preferable as split application and the second gift while tuberising.
Potassium: standard advice + 10%.
Phosphate: standard advice.

Cultivation
It is recommended to apply a seed treatment against Rhizoctonia.

Plant spacing
35/45mm: 25cm (44,500 plants/ha).
45/55mm: 28cm (40,000 plants/ha).

Herbicide sensitivity
A strict preventative spraying schedule against late blight is necessary.

Harvest
Wait at least three weeks after haulm killing before harvesting, as Rudolph is sensitive to harvest damage.

Storage
Rudolph has a very long dormancy and is suitable for long term storage at 4°C.

Rudolph characteristics

Plant and tuber

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

Quality characteristics

  • 6 average | 9 high
    Average yield
    Quite high | 7
  • 300 low | 500 high
    Underwater weight
    376
  • A firm | AB rather firm | B rather floury | BC floury | C floury
    Cooking type
    Rather firm | AB
  • 4 short | 8 long
    Dormancy
    Long | 8
  • Resistance to harvest damage
    Quite sensitive | 6
  • 3 very sensitive | 8 minimum tot none sensitive
    Metribuzin
    Quite sensitive | 6
  • 3 very sensitive | 8 minimum tot none sensitive
    Bentazon
    -
  • 4 poor result | 8 good result
    Ethylene
    5% to 15% more tubers | 6
  • 4 very sensitive | 8 minimum to none sensitive
    Secondary growth
    Quite sensitive | 6,5
  • 4 very sensitive | 8 minimum to none sensitive
    Growth cracks
    Quite sensitive | 6
  • 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
    5,5
  • 4 very sensitive | 8 minimum to none sensitive
    Raw discolouration
    Quite sensitive | 6,5
  • 4 very sensitive | 8 minimum to none sensitive
    Discolouration after cooking
    Quite sensitive | 6,5
  • 4 unsuitable | 8 excellent
    Suitable for chipping
    Unsuitable | 4,5
  • 4 unsuitable | 8 excellent
    Suitable for crisping
    Unsuitable | 4,5

Disease resistances

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

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