Russet Norkotah (ND534-4 RUSS)

Parentage – ND9526-4 Russ x ND9687-5 Russ^1,2,3

Breeder – Released for production by North Dakota Agricultural Experiment Station, Fargo, ND and USDA Ag Research in 1987^1,2,3

Maturity – Early to mid-season^1,2,3,4

Usage – Primarily used for fresh market¹; good for baking; poor to moderate for boiling with some after cooking discoloration; poor for chipping²

Plant – Medium size, slightly upright structure; stems thickness is medium with non-pigmented nodes and internodes^1,2,3; plant growth generally halts once flowering occurs⁴  

Leaves –Green, medium size with an open, slightly pubescent structure^1,2,3; terminal leaflets are asymmetrical with tips coming to a point; primary leaflets are generally found in pairs of four while secondary and tertiary leaflets are numerous throughout the leaf^1,3

Flowers – Medium to small size; white with yellow-orange anthers; buds slightly pigmented^1,2,3

Tubers – Long to slightly oblong with smooth, dark tan, russetted skin; numerous, shallow bright golden eyes that are evenly distributed; high yielding; white flesh; low to medium specific gravity^1,2,3,4,5

Strengths – Attractive appearance; uniform tuber size and shape; wide adaptability; resistant to hollow heart and Columbia root-knot nematode; moderately resistance to common scab, silver scurf, potato leafroll virus and potato virus Y^1,2,3

Weaknesses – Susceptible to most viruses, late blight, early blight, Verticillium wilt and potato wart^1,3,2; can be infected with potato virus Y without expressing symptoms^1,2

References: ¹ Johansen, et al. 1988. Russet Norkotah: A New Russet-Skinned Potato Cultivar with Wide Adaptation. American Journal of Potato Research 65: 597-604. ²https://www.potatoassociation.org/industry/varieties/russet-potato-varieties/russet-norkotah-solanum-tuberosum ³http://www.inspection.gc.ca/plants/potatoes/potato-varieties/russet-norkotah/eng/1312587385875/1312587385876 ⁴https://cropwatch.unl.edu/potato/russetnorkotah_characteristics ⁵www.potatovirus.com

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Last Revised: 4/10/19

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