Atlantic (B6987-56)

Parentage – Wauseon x USDA B5141-6 (Lenape)^1,2,3

Breeder – Released by the Agricultural Research Service of the United States Department of Agriculture, the Florida Agricultural Experiment Station, the Virginia Truck and Ornamentals Research Station, the New Jersey Agricultural Experiment Station and the Maine Agricultural Experiment Station in 1976^1,4

Maturity – Mid-season^1,2,3,4

Usage – Primarily grown for chipping^1,2,3; the standard for potato chip quality in the U.S. and Canada^2,3,4; acceptable for French frying, boiling and baking^1,3

Plant – Moderately large, upright^1,2,4; thick green stems with distinguishing upward stippled pigmentation pattern; purple pigmentation in lower stems^1,3

Leaves – Bright medium green color, closed, smooth structure; terminal leaves are large, ovate, and asymmetrical; three pairs of large, ovate, asymmetrical primary leaflets; numerous secondary and tertiary leaflets^1,2,3

Flowers –Abundant, pale lavender color with orange anthers; numerous heavily pubescent buds^1,2,3; produces large quantities of pollen^1,2

Tubers – Oval to round, smooth with light to heavy scaly netted white skin; white flesh, shallow eyes; medium to long tuber dormancy; white sprouts with lavender internodes; high specific gravity^1,2,3,4

Strengths – High yield potential; uniform tuber size and shape; tolerant to scab and Verticillium wilt; resistant to pink eye and select late blight races; highly resistant to race A of golden nematode, potato virus X and tuber net necrosis caused by current season potato leafroll virus infection^{1,2 ,3}

Weaknesses – Hollow heart observed in oversized tubers (>.83mm)^1,2,3,4; tubers susceptible to internal heat necrosis, particularly in sandy soils under warm dry growing seasons^2,3,4; susceptible to metribuzin injury⁴

References: ¹Webb, R. E. et al. 1978. Atlantic: A New Potato Variety with High Solids, Good Processing quality, and Resistance to Pests. American Journal of Potato Research 55: 141. ²http://www.potatoassociation.org/industry/varieties/white-varieties/atlantic-solanum-tuberosum ³http://www.inspection.gc.ca/plants/potatoes/potato-varieties/atlantic/eng/1312587385643/1312587385644 ⁴https://cropwatch.unl.edu/potato/atlantic_characteristics ⁵www.potatovirus.com

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Last Revised: 5/1/19

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This article was posted in Fact Sheet.