SP 241

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Leaf Flowers Plant
Sprout Tuber Sliced Tuber

General

  • Origin & Breeding: bred from the cross (Allegany x E55-3) made at the Cornell University in Ithaca, New York, and selected by Peter Vander Zaag, SunRise Produce, Alliston, Ontario, in 1991.
  • Year registered in Canada: 2008
  • Registration number: 6364
  • Maturity: mid-season

Botanical Features

  • Plants: medium height, semi-erect with dense foliage; stems pigmented; medium wings.
  • Leaves: medium green, open; petioles not pigmented; medium leaf stipules.
    Terminal leaflets: narrowly ovate; tip acute; base obtuse; no margin waviness.
    Primary leaflets: 3 to 4 pairs; tip acute; base obtuse.
    Secondary and tertiary leaflets: few.
  • Flowers: numerous, blue purple corolla; yellow anthers; low berry production.
  • Tubers: round; smooth light brown skin; medium deep eyes, evenly distributed; shallow eyebrows; white cream flesh.
  • Sprouts: narrow cylindrical; dark blue purple; closed apex.

Agricultural Features

Medium to high yielding variety setting 10 to 18 tubers per plant. Does not size particularly large but produces uniform tuber size. Susceptible to black spot bruises. Good harvesting and handling techniques are required. Variety susceptible to bruising due to high solids. Plant spacing should not be closer than 30 cm. Natural senescence of the vines may be adequate in many areas but vine killing is not difficult when required for storage. Short dormancy period (90 days). Good storability (up to 7 months at 9°C (48°F)). High specific gravity.

Remark: well adapted to irrigated and dry land areas across Ontario.

  • Utilization: good for chips.
  • Chief Market: chipping.

Reaction to Diseases

Moderately resistant: common scab (may develop pits in heavy infestation).
Susceptible: late blight, early blight, verticillium wilt.

References: 1.

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