Keswick

PDF (78 kb)

Click on Image for Larger View

Leaf Flowers Plant
Sprout Tuber Sliced tuber

General

  • Origin & Breeding: bred by Agriculture Canada from the cross (Green Mountain x F1020-1) and selected at the Fredericton Research Station, New Brunswick, in 1943.
  • Year registered in Canada: 1950
  • Registration number: 545
  • Maturity: mid-season

Botanical Features

  • Plants: large, erect, light reddish at the head of the plant; stems medium thick, slightly angled; nodes slightly swollen; wings not prominent.
  • Leaves: light green, semi-open, broad; midribs very sparsely pubescent.
    Terminal leaflets: oval; generally symmetrical, drooping; tip acute; base truncate.
    Primary leaflets: four pairs; symmetrical.
    Secondary leaflets: tip acute to round.
  • Flowers: numerous, white corolla; brownish buds; long peduncle.
  • Tubers: elliptical to oblong; smooth dark creamy buff skin; medium-deep eyes; white flesh.
  • Sprouts: cylindrical; grayish navy blue; moderately pubescent.

Agricultural Features

High yielding variety; well adapted to medium and light soils; tubers size early, tend to oversize. Highly resistant to hollow heart; susceptible to manganese toxicity and bruising; good storability if not bruised; not suitable for washing; medium specific gravity.

Remark: excellent home garden variety.

  • Utilization: good to excellent for boiling and baking; good for chipping and french frying at harvest.
  • Chief Market: fresh market.

Reaction to Diseases

Highly resistant: PVA, tuber net necrosis, late blight (race 1).
Moderately resistant: verticillium wilt.
Susceptible: black leg, bunch or purple top, common scab, fusarium dry rot, leaf roll, rhizoctonia, PVX, PVY.

References: 1, 6.

Send your comments to cfia.potatosection-sectiondespommesdeterre.acia@inspection.gc.ca regarding potato variety descriptions.