Varieties Details: Kennebec
High yielding fast growing variety, widely adapted. Requires close planting (15 to 20 cm between plants) and vine killing to avoid producing oversized and rough tubers. Excellent storage quality. Long dormancy period. High total solids.
Origin & Breeding:
Bred by USDA from ((Chippewa x Katahdin) x (3895-13 x Earlaine)) and selected by Presque Isle Station, Maine, in 1941.
Year Registered in Canada:
1951
Plants:
large, erect, spreading at maturity; stems thick, not pigmented, prominently angled.
Leaves:
dark green, long, broad; midribs scantly pubescent.
Terminal leaflets: ovate; apex acute; base lobed.
Primary leaflets: large, ovate, four pairs.
Secondary leaflets: medium in number.
Tertiary leaflets: few to none.
Flowers:
very few, large, white; scantly pubescent green buds.
Tubers:
elliptical to oblong, medium thick; smooth creamy buff skin; shallow eyes; white flesh.
Sprouts:
grayish green, faintly purple at the base.
Description:
High yielding fast growing variety, widely adapted. Requires close planting (15 to 20 cm between plants) and vine killing to avoid producing oversized and rough tubers. Excellent storage quality. Long dormancy period. High total solids.
NOTE: tuber green rapidly when exposed to light.
Utilization:
good to excellent for boiling, baking, chipping and french frying.
Chief Markets:
seed export, fresh market, chipping.
Field Resistant:
PVA, PVY.
Moderately Resistant:
late blight in the foliage, black leg , fusarium dry rot (F. coeruleum), phoma rot, potato wart, seed-piece decay, PVS and PVX.
Susceptible:
common scab, fusarium dry rot (F. sambucinum), late blight tuber rot, leaf roll, pink eye and rhizoctonia
Highly Susceptible:
verticillium wilt.
Immune:
tuber net necrosis.
Tuber
Cut Tuber
Leaf
Flower
Plant
Sprout
