TY JOUR TI COLLECTION POTATO MATERIAL EVALUATION FOR A COMPLEX OF ECONOMICALLY VALUABLE TRAITS IN THE KAMCHATKA REGION KW potato KW potato variety KW potato evaluation KW potato collection KW potato yield KW starch KW vitamin C KW potato table qualities KW viral and fungal diseases of potatoes JO Bulletin of KSAU AU Ivaschenko, A.D. PY 2026 IS 0 PB Krasnoyarsk State Agrarian University