TY JOUR TI TECHNOLOGY TO OBTAIN PRE-BASE SEED MATERIAL OF DOMESTIC BREEDING PROMISING VARIETIES POTATOES KW potato KW variety KW original seed production KW minitubers KW fractional composition KW feeding area JO Bulletin of KSAU AU Fillipova, S.V. AU Eliseeva, L.V. PY 2022 IS 0 PB Krasnoyarsk State Agrarian University