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Varieties Details: Chieftain

High yielding variety, attractive appearance, widely adapted. Undersizing can be a problem if soil moisture becomes limiting. Well suited for washing at maturity. Good storability. Medium specific gravity.

GENERAL

Origin & Breeding:
Bred by A.E. Kehr from (la1027-18 x La1354) and selected by the Department of Horticulture, Iowa State University, Ames, Iowa, in 1957.
Year Registered in Canada:
1973
Registration Number:
1487
Maturity:
Mid-Season

BOTANICAL FEATURES

Plants:
medium sized, upright, spreading at maturity; wings prominent.
Leaves:
dark green, semi-open, long, slightly pubescent; midribs reddish purple.
Terminal leaflets: broadly ovate.
Primary leaflets: narrowly ovate, generally four pairs.
Flowers:
large, light violet.
Tubers:
oval to oblong, smooth bright red skin; shallow to medium-deep eyes, darker than the skin; white flesh.
Sprouts:
reddish purple.

AGRICULTURAL FEATURES

Description:
High yielding variety, attractive appearance, widely adapted. Undersizing can be a problem if soil moisture becomes limiting. Well suited for washing at maturity. Good storability. Medium specific gravity.

Remark: space at 15 cm with low nitrogen for seed export.
Utilization:
good to excellent for boiling, good for chipping at harvest, excellent for french frying; not suitable for processing.
Chief Markets:
seed export, fresh market, pre-peeled product in the institutionnal trade.

REACTION TO DISEASES

Moderately Resistant:
late blight, common scab, rhizoctonia, silver scurf, stem-end browning, tuber net necrosis, verticillium wilt.
Susceptible:
black leg, fusarium dry rot, leaf roll, phoma rot, PVX and PVY.
Tuber
Cut Tuber
Leaf
Flower
Plant
Sprout
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PEI, Canada

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