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- Origin & Breeding: bred by Mrs. Rachel Chapman, New York State (USA) in 1871 from a berry (true seed) of the variety Jackson.
- Year registered in Canada: 1923
- Registration number: P-19
- Maturity: mid-season
- Plants: large, spreading; stems medium thick, prominently angled; slightly swollen nodes; internodes sometimes finely mottled reddish purple on upper part of stems; wings not prominent, slightly waved.
- Leaves: moderately open; medium sized to small; midribs not pubescent.
Terminal leaflets: broadly ovate; tip obtuse; base decurrent.
Primary leaflets: four to five pairs; medium ovate.
Secondary leaflets: few, at the junctions of the midrib and petiolules.
- Flowers: small white corolla; flower buds not pigmented, weakly pubescent.
- Tubers: large, long, elliptical, flattened, usually irregular; smooth white skin; numerous medium-deep eyes; white flesh.
- Sprouts: reddish purple
High yielding variety of attractive appearance; adapted to irrigated areas; tuber size early. Requires close planting and fertile soil for optimal yields. Good storability. Generally low specific gravity.
- Utilization: good for boiling and baking; unsuitable for chipping.
- Chief Market: fresh market
Reaction to Diseases
Susceptible: blackleg, common scab, fusarium dry rot, late blight, leaf roll, verticillium wilt, PVS,PVX, PVY, potato wart.
References: 1, 6, 9.
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