TY JOUR TI Influence of preplant treatment of potato tubers by fungicide for diseases such as scab KW potato KW fungicides KW biological fungicides KW common scab KW silver scurf KW Rhizoctonia KW development KW distribution KW contamination KW yield capacity JO Vestnik of Kazan State Agrarian University AU Safin, R.. AU Zaytseva , T.. PY 2014 IS 9 PB Kazan state agrarian University