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Teton Russet: An Early-Maturing,Dual-Purpose Potato Cultivar Having Higher Protein and Vitamin C Content,Low Asparagine,and Resistances to Common Scab and Fusarium Dry Rot |
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| Authors: | R G Novy J L Whitworth J C Stark B A Charlton S Yilma N R Knowles M J Pavek R R Spear T L Brandt N Olsen M Thornton C R Brown |
| Institution: | 1. U.S. Department of Agriculture (USDA)-Agricultural Research Service (ARS), Aberdeen Research & Extension (R & E) Center, Aberdeen, ID, 83210, USA 2. Idaho Falls R & E Center, University of Idaho, Idaho Falls, ID, 83402, USA 3. Klamath Basin R & E Center, Oregon State University, Klamath Falls, OR, 97603, USA 4. Oregon State University, Corvallis, OR, 97331, USA 5. Washington State University, Pullman, WA, 99164, USA 6. Kimberly R & E Center, University of Idaho, Kimberly, ID, 83341, USA 7. Southwest Idaho R&E Center, University of Idaho, Parma, ID, 83660, USA 8. USDA-ARS, Prosser, WA, 99350, USA |
| Abstract: | Teton Russet is an early-maturing, medium-russeted, potato cultivar with high merit for both fresh-pack and processing. In early harvest trials in the Pacific Northwest, Teton Russet had total yields similar to Russet Norkotah, and higher than Ranger Russet and Russet Burbank. Marketable yield of Teton Russet in the early harvest trials was also comparable to or higher than Russet Norkotah in Washington and Oregon, and higher than Ranger Russet and Russet Burbank at these sites, as well as in Idaho. In full-season trials, while total yield of the earlier-maturing Teton Russet tended to be lower than Ranger Russet and Russet Burbank, marketable yield was generally higher than Russet Burbank across the majority of sites due to its higher percentage of U.S. No. 1 tubers. Teton Russet is suitable for processing, with acceptable fry color following up to 8 months of storage at 8.9 °C. Uniformity of fry color was also very consistent. Teton Russet has shown lower levels of the amino acid asparagine relative to Ranger Russet and Russet Burbank which may contribute to lower acrylamide levels in French fries and other processed potato products. Teton Russet is notable for having resistance to common scab (Streptomyces spp.) and Fusarium dry rot, and is moderately resistant to tuber net necrosis. Analyses have also shown Teton Russet to have significantly higher protein levels than Russet Norkotah, Ranger Russet, and Russet Burbank, as well as higher vitamin C content than Russet Norkotah and Russet Burbank. Teton Russet was released in 2011 by the USDA-ARS and the Agricultural Experiment Stations of Idaho, Oregon, and Washington, and is a product of the Pacific Northwest Potato Variety (Tri-State) Development Program. |
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