Katahdin
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General
- Origin & Breeding: bred by the USDA from the cross (USDA 24642 x USDA 40568) in Presque Isle, Maine (USA) in 1923.
- Year registered in Canada: 1932
- Registration number: P-13
- Maturity: late season
Botanical Features
- Plants: medium to large, spreading; thick stems, prominently angled, weakly pigmented.
- Leaves: dark green, large, close; petioles weakly pigmented.
Terminal leaflets: large, broadly ovate; apex acute; base lobed.
Primary leaflets: four to five pairs; broadly ovate.
Secondary and tertiary leaflets: few. - Flowers: numerous, light lilac corolla with white tips; flower buds light green.
- Tubers: round to oblong, large; smooth buff skin; few very shallow eyes; white flesh.
- Sprouts: ovoid, lilac to reddish purple; highly pubescent; base strongly pigmented; apex weakly pigmented.
Agricultural Features
Medium to high yielding variety; slow development early in season then rapidly; widely adapted; tolerant to drought; washes well at maturity; excellent storability, grades well with few culls; medium dormancy period; medium specific gravity.
REMARKS: since tubers set high in hill, it is recommended that a large hill be formed early with a final hilling after tubers are set to avoid sunburn.
- Utilization: moist texture; good for boiling and baking, suitable for chipping and french frying.
- Chief Market: fresh market.
Reaction to Diseases
Resistant: PVA.
Moderately resistant: blackleg, net necrosis, verticillium wilt, PVS, PVX, PVY.
Susceptible: common scab, fusarium dry rot, late blight, leaf roll, rhizoctonia, potato wart.
References: 1, 6.
Send your comments to cfia.potatosection-sectiondespommesdeterre.acia@canada.ca regarding potato variety descriptions.
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