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Leaf Flowers Plant
Sprout Tuber Sliced tuber


  • Origin & Breeding: genetic modification of the variety Superior (insertion of a Bacillius thuringiensis gene) made by Mosanto Company in St-Louis, Missouri (USA). Released in 1998.
  • Year registered in Canada: 1999
  • Registration number: 4929
  • Maturity: mid-season to late

Botanical Features

  • Plants: medium tall, semi-erect; stems very weakly pigmented; wings prominent, waved double; slightly swollen nodes, not pigmented.
  • Leaves: yellowish-green, open; midribs and petioles not pigmented.
    Terminal leaflets: medium ovate; apex acute; base cordate and very slightly asymmetrical; medium wavy margins.
    Primary leaflets: five pairs; narrowly ovate; apex acute; base cordate and asymmetrical.
  • Flowers: moderately numerous; medium size mauve corolla, prominent star, white tips; orange anthers; flower buds very weakly pigmented; peduncle not pigmented.
  • Tubers: oval; smooth to slightly netted buff skin; numerous medium deep eyes, evenly distributed; moderately prominent eyebrows; creamy white flesh.
  • Sprouts: ovoid; purple; base moderately pigmented and weakly pubescent; tip weakly pigmented and moderately pubescent.

Agricultural Features

Resistant to Colorado Potato Beetle. The NL10-SUP plants are more vigorous and more resistant to drought than those of the variety Superior. Require 30% less of the nitrogen fertilization to maximize marketable yields. Susceptible to tuber malformation when grown at high nitrogen fertility and wide in-row spacing.

High yielding variety,  well adapted to mechanical harvesting. Short dormancy period, stores well, washes excellently. Tubers size early and are not subject to internal defects. Medium specific gravity.

  • Utilization: fair to good for boiling, baking and french frying; excellent for chipping.
  • Chief Markets: early fresh market and chipping.

Reaction to Diseases

Moderately resistant: common scab.
Susceptible: black leg, fusarium dry rot, late blight, leaf roll, seed-piece decay, PVX, PVY.
Highly susceptible: verticillium wilt.

References: 1.

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