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38 POTATO GROWER | JUNE 2016 38 POTATO GROWER | JUNE 2016 T his month's Smorgasbord takes a look at Canela Russet, a dual- purpose russet with a high percentage of U.S. No. 1 tubers and long-term storage potential. Information was generously provided by the Potato Breeding and Selection Program of the San Luis Valley Research Center in Colorado. The program leader is Dr. David Holm, and research associates are Caroline Gray and Katrina Zavislan. KEY ATTRIBUTES • High percentage (about 90 percent) of U.S. No. 1 tubers • High specific gravity (1.096) • Attractive oblong-long tuber type with medium russeting • Good fry color and texture out of storage • Medium maturity • Resistant to hollow heart, second growth and blackspot bruise • Moderately resistant to shatter bruise, leafroll and PVY • Resistant to early blight tuber decay and powdery scab HISTORY • Cross originally made by USDA-ARS in Aberdeen, Idaho, and selected by David Holm at Colorado State University • PVP-issued in 2012 MANAGEMENT • Resistant to metribuzin • Typically requires 140 to 160 pounds of nitrogen per season • Skin set occurs three to four weeks after vine death • 142-day dormancy at 45 degrees with no sprout inhibitor PRODUCTION • Average yield of 369 hundredweight per acre • 1,049 acres grown in 2015 in Colorado S M O R GA S B OR D THE S M O R GA S B OR D Canela Russet Canela Russet 38 POTATO GROWER | JUNE 2016