Rocky Mountain Russet, Vista Gold and Columbine Gold: Three New Potato Cultivars from the Colorado Potato Breeding and Selection Program
Tuesday, July 27, 2021
4:05 PM - 4:25 PM
Rocky Mountain Russet is a high yielding dual purpose russet selection with fresh market and processing potential. Rocky Mountain Russet, previously known as CO0568-1RU, was derived from a cross of AWN86514-2 and CO98009-3RU. Rocky Mountain Russet has a higher total yield potential (461 cwt/A) and a higher percentage of US No. 1 tubers (89%) than Russet Norkotah. Rocky Mountain Russet is resistant to PVY and Verticillium wilt. Rocky Mountain Russet has a higher specific gravity (1.098) than Russet Burbank and excellent French fry color. Vista Gold, previously known as CO05037-3W/Y, is a fresh market specialty with white skin and yellow flesh. Vista Gold was derived from a cross of AC99330-1P/Y and CO97227-2P/PW. Vista Gold has a higher total yield potential (435 cwt/A) than Yukon Gold. This clone has a medium-early vine maturity and good storability. Tubers are resistant to hollow heart, second growth, blackspot bruise and growth crack. Columbine Gold, previously known as AC05175-3P/Y, was derived from a cross of A99331-2R/Y and COA99261-1RY. Columbine Gold is a fresh market specialty with dark purple skin and yellow flesh. It has a medium yield potential and a very early maturity. Tubers are resistant to blackspot bruise, growth crack, second growth and hollow heart. Columbine Gold tubers retain the dark purple skin color in storage and have also shown resistance to greening. Advanced testing, seed increase and commercial evaluation for all three cultivars was assisted by the Southwest Regional cooperators and Western Regional cooperators, seed and commercial growers and other private cooperators in the Western United States. Certified seed stocks for Rocky Mountain Russet, Vista Gold and Columbine Gold are available from producers in Colorado.
Breeding and Genetics