AC Domino

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GENERAL

• Origin & Breeding: bred by Agriculture and Agri-Food Canada Research Center in St. John's, Newfoundland, from the cross (Blue Mac x SVP AM66-42) in 1977.
• Year licensed in Canada: 1990
• Licence No.: 3330
• Maturity: late

BOTANICAL FEATURES

• Plants: large, erect; stems slightly pigmented above nodes; prominent wings; nodes not swollen.
• Leaves: dark green, open, slightly pubescent; midribs and petioles pigmented and slightly pubescent.
  Terminal leaflets: oval; base asymmetrical.
  Primary leaflets: three pairs; oval.
  Secondary leaflets: small, three pairs.
• Flowers: numerous; large inflorescence carried above foliage; medium sized white corolla; pale orange anthers; bronzy green buds; pointed, medium long, pale bronze calyx lobes; no berry production.
• Tubers: round; smooth blue purple skin; medium-deep eyes; white flesh, blue coloration may occur in vascular ring.
• Sprouts: blue purple.

AGRICULTURAL FEATURES

High yielding variety; tubers set early; high number of tubers per plant; well adapted to Newfoundland growing conditions; good storability, medium dormancy period; high specific gravity.

REMARK: favour a 35 to 40 cm (12 to 14 in) spacing in order to avoid too small tubers production.

• Utilization: very good boiling quality.
• Chief Market: fresh market.

REACTION TO DISEASES

Resistant: potato wart (races 1, 2, 8), golden nematode (Globodera rostochiensis Ro1).
Moderately resistant: tuber late blight.
Susceptible: common scab.

NOTE: this variety does not display typical field or tuber symptoms of bacterial ring rot.

References: 1, 6.

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