Tarnick

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Leaf Flowers Plant
Sprout Tuber Sliced tuber

General

  • Origin & Breeding: bred from the cross (AC Novachip x Conestoga) made by T. Richard Tarn at the Agriculture and Agri-Food Canada Potato Research Centre in Fredericton, New Brunswick, in 1992.
  • Year registered in Canada: 2010
  • Registration number: 6792
  • Maturity: mid-season to late

Botanical Features

  • Plants: medium, erect; stems weakly pigmented at the base and internodes; prominent straight wings; nodes not swollen.
  • Leaves: dark green, long; semi-open; midribs not pigmented; petioles weakly pigmented.
    Terminal leaflets: medium ovate; tip acuminate; base truncate and symmetrical.
    Primary leaflets: medium ovate; tip acuminate; base truncate, slightly asymmetrical; first pair overlaps terminal leaflet.
  • Flowers: numerous; large white corolla with prominent star; orange anthers; flower buds and peduncles not pigmented.
  • Tubers: round; smooth light beige skin; moderately deep eyes, evenly distributed; moderately prominent eyebrows; white flesh.
  • Sprouts: spherical; red-violet; base strongly pubescent, strongly pigmented; tip moderately pubescent, moderately pigmented, closed habit.

Agricultural Features

Medium yielding variety. Good storage capability. High specific gravity.

  • Utilization: low boiling sloughing; medium after cooking discolouration; good for boiling, baking and chipping.
  • Chief Market: chipping.

Reaction to Diseases

NOTE: the following results are not issued from multiple replicated tests; they are provided as indications only.

Highly resistant: Fusarium dry rot.
Moderately resistant: verticillium wilt (Verticillium dahliae).
Moderately susceptible: common scab.
Susceptible: PVX, PVY, late blight, verticillium wilt (Verticillium albo atrum).

References: 1.

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