|Novy, Richard - Rich|
|STARK, JEFFERY - University Of Idaho|
|THORNTON, MICHAEL - University Of Idaho|
|KNOWLES, N. RICHARD - Washington State University|
|PAVEK, MARK - Washington State University|
|SPEAR, R. RHETT - Washington State University|
|Brown, Charles - Chuck|
|CHARLTON, BRIAN - Oregon State University|
|SATHUVALLI, VIDYASAGAR - Oregon State University|
|YILMA, SOLOMON - Oregon State University|
|BRANDT, TINA - University Of Idaho|
|OLSEN, NORA - University Of Idaho|
Submitted to: American Journal of Potato Research
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 12/23/2015
Publication Date: 2/23/2016
Citation: Whitworth, J.L., Novy, R.G., Stark, J.C., Thornton, M., Knowles, N., Pavek, M.J., Spear, R., Brown, C.R., Charlton, B., Sathuvalli, V., Yilma, S., Brandt, T.L., Olsen, N. 2016. Targhee Russet: A high yielding dual purpose, long russet potato cultivar having higher protein and vitamin C content and resistance to tuber soft rot. American Journal of Potato Research. 93(2):189-201.
Interpretive Summary: Potato varieties with high marketable yields, high nutritional qualities, and disease resistance are needed for the fresh produce and frozen potato product markets. Targhee Russet is a new potato variety that produces higher marketable yields than the standard Russet Burbank. It has both fresh and processing characteristics producing fries that are lighter colored than standard processing varieties. Targhee Russet is notably resistant to tuber soft rot, a common disease problem for most potato varieties. It also has moderate resistance to common scab, verticillium, net necrosis that is associated with Potato leafroll virus. Targhee Russet also has good resistance to hollow heart and blackspot bruise, two ailments associated with growing conditions and handling conditions during harvest. Targhee Russet has higher vitamin C and protein compared to Russet Burbank and Ranger Russet, two comparable standard varieties. Targhee Russet is a new variety that has the potential for producing premium quality frozen and fresh-cut fries and disease resistances that contribute to a better fresh produce variety.
Technical Abstract: Targhee Russet is a dark-skinned russet potato variety with tubers slightly longer than Russet Burbank. It produces higher total and marketable yields than does Russet Burbank at most of the sites it was tested in the western United States. Tuber dormancy is about 58 days shorter than Russet Burbank. A major strength of Targhee Russet is tuber soft rot resistance. It also shows moderate resistance to common scab, verticillium wilt, and net necrosis associated with Potato leafroll virus, as well as good resistance to hollow heart and blackspot bruise. Analyses have shown Targhee Russet to have significantly higher tuber protein and vitamin C content than Russet Burbank and Ranger Russet. It produces lighter colored fries out of storage than standard processing varieties indicating that it has good potential for producing premium quality frozen and fresh-cut fries. Merit scores for fresh use also indicate that it has excellent potential as a dual-purpose russet variety.