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Leaf Flowers Plant
Sprout Tuber Sliced tuber

GENERAL

  • Origin & Breeding: bred by Jr. J. C. Dorst from the cross (Paul Kruger x Preferent) in Wageningen (Holland) in 1919
  • Year registered in Canada: 1995
  • Registration number: 4170
  • Maturity: very late.

BOTANICAL FEATURES

  • Plants: medium, spreading growth; few, vigorous, thick stems, slight purple pigmentation; straight or slightly waved wings.
  • Leaves: grayish green, fairly open, moderately large, rigid.
    Terminal leaflets: obovate, corrugated, tip acute.
    Primary leaflets: narrowly ovate, corrugated; tip acute; base asymmetrical; long petiolule.
  • Flowers: numerous, medium size mauve corolla with white tips; late in development; few berries.
  • Tubers: round to oval, large, uniform; fairly rough yellow skin; moderately shallow eyes; pale yellow flesh.
  • Sprouts: ovoid, small to medium; medium red-violet pigmentation, weaker at the apex; weak pubescence.

AGRICULTURAL FEATURES

High yielding variety; tubers are usually quite uniform and have good resistance to internal bruising. Very late variety, seed should be prepared to advance maturity in Eastern Canada. Medium specific gravity.

  • Utilization: fairly firm to floury flesh, little after cooking discolouration, good for boiling.
  • Chief Market:  seed exportation.

REACTION TO DISEASES

Immune: potato wart (race 1)
Moderately resistant: late blight, common scab, PVA.
Moderately susceptible: leaf roll, PVX, PVY.

References: 1, 6, 7.

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