Russet Norkotah Selection 8

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Russet Norkotah Selection 8
ND534-4 russ
Russet Norkotah Selection 8

Parentage – ND9526-4 Russ x ND9687-5 Russ

Breeder – Potato Breeding and Selection Program at Colorado State University; first selected by Dr. David Holm in 1991 and trialed in 1993 (www.certseedpotato.com) (www.certseedpotato.com/nork3&8.html)

Maturity – Early to mid-season; selection 8 is slightly later than Russet Norkotah

Usage – Fresh market; good for baking; poor to moderate for boiling with some after cooking discoloration; poor for chipping

Plant –  Medium to slightly upright; larger more vigorous vines; stems medium thick; smooth selection 8 plants can withstand hail damage, heat stress and some disease pressure better than Russet Norkotah (www.potatoassociation.org) (www.inspection.gc.ca) (www.certseedpotato.com)

Leaves – Medium, open, slightly pubescent; asymmetrical (www.potatoassociation.org) (www.inspection.gc.ca)

Flowers – Medium, white corolla; anthers are yellow-orange; buds slightly pigmented (www.potatoassociation.org)

Tubers –  Long to slightly oblong, smooth; heavy, dark tan, netted russet skin; shallow bright golden eyes; large quanity produced; white flesh; low to medium specific gravity; selection 8 has higher yields than Russet Norkotah (www.potatoassociation.org) (www.inspection.gc.ca) (www.certseedpotato.com

Strengths – Attractive appearance; uniform tuber size and shape; wide adaptability; resistant to hollow heart and Columbia root-knot nematode; good resistance to common scab and silver scruf (www.potatoassociation.org) (www.inspection.gc.ca)

Weaknesses – Susceptible to most viruses, late blight, early blight, Verticillium wilt and potato wart (www.potatoassociation.org) (www.inspection.gc.ca)

Russet Norkotah Selection 8

Photos provided by CFIA; Virus photos provided by www.potatovirus.com.  For more information:  www.potatoassociation.org or www.inspection.gc.ca or www.certseedpotato.com/nork3&8.html

Last Revised: 03/21/2018

© 2018 The Board of Regents of the University of Wisconsin System