Denali

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leaf Flowers plant
sprout tuber sliced tuber

General

  • Origin & Breeding: bred from the cross (I-62-90-64 x B5141-6 (formerly Lenape)) by the USDA and the University of Alaska Agricultural Experiment Station in Palmer, Alaska, in 1968. Released in 1978.
  • Registration in Canada: deregistered
  • Maturity: late

Botanical Features

  • Plants: medium, full, remaining vigorously vegetative until frosted; stems prominently angled, slightly pigmented; medium prominent wings, straight single; nodes not swollen, slightly pigmented.
  • Leaves: medium green, semi-open; midribs and petioles not pigmented, not pubescent.
    Terminal leaflets: broadly ovate; symmetrical base.
    Primary leaflets: three pairs; ovate.
  • Flowers: numerous; pale violet corolla; short calix lobes, curved, green, highly pubescent; buds strongly pigmented; low berry production.
  • Tubers: oval to oblong, uniform shape; smooth and tough buff coloured skin; shallow eyes, evenly distributed; short eyebrows; white flesh.
  • Sprouts: strong purple pigmentation.

Agricultural Features

High yielding variety of attractive appearance; tolerant to heat and frost; moderately resistant to hollow heart and other internal defects; not affected by tuber greening because tuber set deeper than many varieties; good storability; medium dormancy period; very high specific gravity.

Good chipping quality from 8 and 10 °C storage from October through June; does not condition well from 6 °C storage.

  • Utilization: pleasant texture and flavor; excellent for baking and chipping.
  • Chief Market: chipping.

Reaction to Diseases

Moderately resistant: rhizoctonia, common scab.

References: 1, 8.

Send us your comments regarding potato variety descriptions.

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