Present state and prospects of the development of the potato industry in the Mongolian People's Republic
Resistance of potato to virus diseases, its establishment and use in breeding: 141-146
Shiir' 6, bred in Mongolia by clonal selection from a local population, has a growth period of 90-100 days and over four years yielded 31.5 t/ha-1 of yellow tubers of good flavour, containing 15.6-19% starch, 22.1-25.4% dry matter and 17.9-22.8 mg/100 g vitamin C. It has good storage quality and is resistant to internal rust spot and fairly resistant to Phytophthora. General notes are given on the development of high-yielding cvs. resistant to diseases and pests.