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Umatilla Russet (/ˌjuːməˈtɪlə/, YOO-mə-TIL-ə) is a moderately late maturing variety of potato especially suitable for frozen french fries processing. It was jointly released by the Agricultural Experiment Station of Oregon, Idaho, and Washington and the U.S. Department of Agriculture in 1998. 'Umatilla Russet' has been equal to or better than Russet Burbank in fry color in Oregon and regional trials. The potato was named by the state of Oregon after the Umatilla tribe, from which the city of Umatilla also takes its name.

Characteristics

Botanical

• Tuber skin is tan color and russety-like
• Tubers are long with a tendency for tapered apical ends
• Flesh is slightly creamy
• Leaves are dark green, medium pubescence
• Few (up to 7) flowers per plant
• Flowers are light purple with a yellow-orange center cone

Agricultural

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• Less susceptible to Verticillium wilt
• Less susceptible to net necrosis
• Resistant to Potato virus X (PVX)
• Expresses foliar symptoms of Potato virus Y (PVY)
• Less susceptible to tuber infection and decay caused by Phytophthora infestans
• More susceptible to blackspot and shatter bruise
• Less susceptible to hollow heart, brown center, growth cracks and sugar ends

References

1. "Umatilla Russet Potatoes | Idaho Potato Commission". Idaho® Potato Commission. Retrieved 2024-03-03.
2. ^ Mosley, A.R.; James, S. R.; Hane, D. C.; Rykbost, K. A.; Shock, C. C.; Charlton, B. A.; Pavek, J. J.; Love, S. L.; Corsini, D. L.; Thornton, R. E. (March 2000). "Umatilla Russet: A full season long Russet for processing and fresh market use". American Journal of Potato Research. 77 (2): 83–87. doi:10.1007/BF02853734. ISSN 1874-9380. S2CID 42043147.
3. Eldredge, Eric P.; Shock, Clinton C.; Ishida, Joey. "Umatilla Russet Potatoes Compared with Russet Burbank and Shepody, 1997". Oregon State University. Retrieved 4 January 2017.
4. "Umatilla Russet / AO82611-7". Potato Variety Management Institute. Archived from the original on November 28, 2018. Retrieved November 28, 2018.
5. Brandt, Tina L.; Kleinkopf, Gale; Olsen, Nora; Love, Stephen (2003). "Storage Management for Umatilla Russet" (PDF). University of Idaho. Archived (PDF) from the original on November 28, 2018. Retrieved November 28, 2018.

v t e Potato cultivars
List of potato cultivars
Adirondack Blue Adirondack Red Agata Almond Alturas Amandine Amflora Anya Atlantic Austrian Crescent Bamberg Belle de Fontenay Bintje Black Champion Bloomer British Queen Butte Champion Désirée Gala Golden Wonder Home Guard International Kidney Irish Lumper Irish White Kennebec Kerr's Pink King Edward Kipfler Laura Lenape Marcy Marfona Maris Piper Megachip Melody Mizen Pike Pink Fir Apple Rainier Russet Ranger Russet Ratte Red Gold Red La Soda Red Norland Red Pontiac Rooster Russet Burbank Russian blue Shetland Black Skerry Champion Stobrawa Superior Ulster Emblem Umatilla Russet Villetta Rose Vitelotte Vivaldi Yellow Finn Yukon Gold
Creamer potato Fingerling potato Russet potato

• Potato cultivars