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- Origin & Breeding: bred from the cross (Magnum Bonum x Early Regent) made by J. Clark in Christchurch, England, in 1897.
- Year registered in Canada: 1923
- Registration number: P-7
- Maturity: very early
- Plants: rapid emergence and development; low to medium height; semi-erect to erect, bushy; stems numerous with distinct red-purple on the internodes, becoming very highly coloured if much exposed; nodes mainly green, slightly swollen.
- Leaves: dark green, glossy, short, moderately close and drooping; midribs pigmented.
Terminal leaflets: tend to droop; overlapped by the first pair or primary leaflets.
Primary leaflets: narrow, red-purple petiolules.
Secondary leaflets: moderately numerous and large.
- Flowers: few; white corolla with faint green tinge; none to rare berry production.
- Tubers: round, large, slightly irregular; white to yellow coloured skin, turns pink on exposure to light; deep to very deep yellow eyes; white flesh.
- Sprouts: ovoid, dark bluish purple, base moderately pubescent, apex strongly pubescent.
High to very high yielding variety; rapid tuber production and bulking; tolerant to cold, recovers rapidly from frost damage and capable of tuber production at soil temperatures below those required by other varieties; good storability; medium dormancy period; medium specific gravity.
Usually, this variety is harvested immature, when the flesh is moist and firm; when mature, cooked texture is very mealy.
- Utilization: distinctive flavour; good for boiling and baking; not suitable for chipping and frying.
- Chief Market: early fresh market.
Reaction to Diseases
Highly resistant: fusarium dry rot, PVA, PVX.
Moderately resistant: leaf roll.
Moderately susceptible: late blight.
Susceptible: gangrene (phoma rot), blackleg, PVY, verticillium wilt.
Highly susceptible: common scab, powdery scab.
References: 1, 4, 6, 10.
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