Maris Bard

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Leaf Flowers Plant
Sprout Sliced tuber Tuber


  • Origin & Breeding: bred by The Plant Breeding Institute from the cross (Y15/139 x Ulster Prince) in Crambridge (England). Released in 1972.
  • Year registered in Canada: 1998
  • Registration number: 4701
  • Maturity: early to mid-season

Botanical Features

  • Plants: medium size; erect; stems weakly pigmented; wings narrow, straight single; nodes not swollen and not pigmented.
  • Leaves: greyish green, dull, pubescent, wrinkled, open; midribs and petioles not pigmented.
    Terminal leaflets: narrowly ovate, drooping, almost completely overlapped by first pair of primary leaflets; apex acuminate; base cordate and symmetrical; highly wavy margins.
    Primary leaflets: three pairs, large, drooping; narrowly ovate; apex acuminate; base cordate, very strongly asymmetrical.
  • Flowers: few to medium, pale violet corolla, white tips, medium size; lemon yellow anther; flower buds moderately pigmented (especially at the base), drop readily; peduncle weakly pigmented; low to medium berry production.
  • Tubers: oval to oblong; smooth white skin; shallow to medium-deep eyes, intermediate in number, predominantly apical; slightly prominent eyebrows; white flesh.
  • Sprouts: conical, pinkish red, weakly pubescent; base moderately pigmented; apex weakly pigmented.

Agricultural Features

High yielding variety; early tuber set. Good resistance to drought and bruising. Good storability; medium dormancy period; medium specific gravity.

  • Utilization: low boiling sloughing; no after cooking discoloration; good for boiling and frying.
  • Chief Markets: early fresh market, french fries early in season.

Reaction to Diseases

Good resistance: PVY, leaf roll, phoma rot.
Moderately susceptible: powdery scab.
Highly susceptible: foliar late blight.
Susceptible: potato cyst nematode, potato wart.

References: 1, 3.

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