Northstar

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Leaf Flowers Plant
Sprout tuber Sliced Tuber

GENERAL

  • Origin & Breeding: bred from the cross (Niska x ND860-2) made and selected by Agriculture and Agri-food Canada at the Lethbridge Research Center, Alberta, in 1986.
  • Year registered in Canada: 2006
  • Registration number: 6173
  • Maturity: mid-season

BOTANICAL FEATURES

  • Plants: medium; spreading; thick stems, not pigmented; straight single wings; nodes moderately swollen, not pigmented.
  • Leaves: medium green; semi-open.
    Terminal leaflets: medium ovate; acuminate tip; base truncate and symmetrical.
    Primary leaflets: four pairs; medium ovate; acuminate tip; base truncate and asymmetrical.
  • Flowers: moderately numerous; white corolla with very prominent star; flower buds not pigmented; lemon yellow anthers; low berry production.
  • Tubers: oval; smooth white skin; shallow eyes, moderately numerous, evenly distributed; eyebrows not prominent; white flesh.
  • Sprouts: ovoid; green; moderately pubescent; closed habit apex.

AGRICULTURAL FEATURES

High yielding variety; good resistance to tuber deformations, hollow heart and net necrosis. High specific gravity. Medium dormancy (6 months).

Excellent potential for direct chipping out of a 6°C storage.

  • Utilization: mealy texture; low boiling sloughing; low after cooking discolouration; excellent for chipping.
  • Chief Market: chipping.

REACTION TO DISEASES

Highly resistant: tubers late blight.
Moderately resistant: common scab, fusarium wilt.
Moderately susceptible: foliar late blight, verticillium wilt, fusarium dry rot.
Susceptible: early blight.

References:   1.

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