Potato selection on early ripeness in the forest-steppe zone of Western Siberia

The purpose of potato selection for the forest-steppe zone of Western Siberia is the creation of early varieties pos-sessing a complex of necessary traits, stable yield and quali- ty, resistance to the most widespread diseases in the region, adapted for cultivation conditions. The problems of selection on early ripeness consist in difficult nature of inheritance of the sign of early ripeness, negative correlation with important economic and valuable signs, difficulties of exact and fast identification of early ripe forms. Creation of early potato vari- eties in SRIA (Siberian Research Institute of Agriculture) nowadays Siberian ASC (Siberian agrarian scientific center) has long history. The State register list of selection achieve- ments of the Russian Federation from 1950 to 2000 included 6 varieties: Sibiryak, Sedov, Severyanin, Ermak uluchshenny, Omsky ranny, Alyona. Early table potato variety Triumph passes state trails since 2017. As parental forms at creation of early varieties at the initial stage were used Rannyaya rosa, Katahdin, later - Kameraz, Zarevo, Nevsky, Granat in which origin there are wild species...