Silverton Russet Potato Fact Sheet

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Silverton Russet

Parentage – Calwhite (a long white cultivar) x A7875-51,2

Breeder – Released for production by the Colorado Experiment Station, Idaho Experiment Station and USDA-ARS in 19992

Maturity – Mid to late season1,2

Usage – Fresh market; processing1,2

Plant – Medium to large upright growth habit; stems are thin and have weak anthocyanin coloration at the base1

Leaves – Medium green, dull color; terminal leaflet is narrowly ovate and tapers to a slender point; high frequency of the terminal and lateral leaflets growing together; veins are shallow in depth; weak secondary leaflets presence1

Flowers – Large in size, white with yellow anthers; flower shape resembles a star; medium profusion1

Tubers – Medium, uniform size; oblong shaped; golden brown russetted skin with a fine net-like appearance; white flesh; evenly distributed eyes that are medium in depth and have a white base; low to medium specific gravity1,2

Strengths – Medium to high yields; stores well with few internal defects; resistant to common scab, extremely uniform tubers2

Weaknesses – Very susceptible to potato virus Y; susceptible to potato virus X, potato leafroll virus, bacterial ring rot, Fusarium dry rot, Verticillium wilt, bacterial soft rot, early blight, late blight, tuber decay, black leg and black scurf2

References: 1 2 3 4

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Last Revised: 8/23/2017

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