Jemseg

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Leaf Flowers Plant
Sprout Tubers Sliced tubers

General

  • Origin & Breeding: bred by Agriculture Canada from (F55069 x Sable) and selected at the Fredericton Research Station, New Brunswick, in 1967.
  • Year registered in Canada: 1978
  • Registration number: 1836
  • Maturity: very early

Botanical Features

  • Plants: medium sized, compact, slightly spreading, some branching; nodes not swollen; internodes solid; wings not prominent, wavy.
  • Leaves: large, medium green, slightly pubescent.
    Primary leaflets: ovate, three pairs.
    Secondary and tertiary leaflets: numerous.
  • Flowers: numerous, light purple; long peduncles.
  • Tubers: large, uniform, short-oblong, slightly flattened, medium thick; smooth dark tan skin; shallow light buff eyes; white flesh.
  • Sprouts: pink.

Agricultural Features

High yielding variety, attractive appearance. Tuber size very early. Set spacing should be 25 cm. Oversizing and internal defects can be a problem if topkilling and harvesting are not properly timed. Resistant to skinning. Low tuber set. Good response to green sprouting. Does not store well. Medium to high specific gravity; low total glycoalkaloids.

  • Utilization: good for boiling and baking, and good for chipping at harvest.
  • Chief Market: early fresh market.

Reaction to Diseases

Immune: PVX
Highly resistant: PVA, PVS, PVY
Moderately resistant: potato wart.
Susceptible: common scab, fusarium dry rot, leaf roll, verticillium wilt.

Note : Jemseg has some resistance to internal transmission of wilt organisms through the seed-piece.

References: 1, 6.

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