Variety Name: AtlanticRights Holder | Breeder: USDA & UNIVERSITIES OF MAINE & FLORIDACountry of Origin: United United StatesYear of of introduction: 1976
Atlantic is a determinate variety, is mid-season in maturity and has a medium to large vine. Due to its high yield and high specific gravity, measures dry matter content mostly starch, it is the major chip potato variety in North America.

It has an attractive appearance and is widely adaptable. Its major growing weakness is a sensitivity to environmental stress. Its major processing weakness is the accumulation of reducing sugars under long storage and its sensitivity to adverse storage conditions.

Plant Characteristics
  • Purpose: potato chips
  • Growth Type: semi-indeterminate
  • Maturity: medium, 100 to 110 days from planting
  • Dormancy: medium
  • Vine: medium, upright and open
  • Tubers: round and uniform, grades consistently 2.5 to 4 inch diameter; great for chipping; smooth, slightly netted, buff-colored skin; creamy white flesh
  • Eyes: shallow and white; few but well distributed
  • Set: sets in mid-hill and bulks rapidly; tubers detach easily from stolon Specific
  • Gravity: high (1.085-1.100), great for chipping
  • Sugar: very low at harvest, increases with storage longer than six months and at temperatures below 50F; may re-condition Stem End
  • Discoloration: not a factor External
  • External Defects: none; resists growth cracking and secondary growths
  • Internal Defects: large tubers prone to hollow heart and brown center; susceptible to heat necrosis in sandy warm soils when dry; susceptible to shatter bruise and internal brown spot bruise when handled rough
  • Yields: medium to high with high proportion of US#1 grade
  • Disease susceptibility: (vine) prone to late blight and medium sensitivity to early blight; black leg and leaf roll; most potato viruses, medium sensitivity to stem canker; (tuber) seed decay especially soft rot, common scab, dry rot, pink rot; medium sensitivity to tuber blight and black scurf
  • Disease tolerance: (vine) PVX, golden nematode; medium to early dying; (tuber) immune to net necrosis and tolerant of pink eye Herbicide - susceptible to metribuzin injury
  • Other: moderate fertilization, close seed spacing, irrigation scheduling; competes well against weeds

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