TY JOUR TI LEAF-STEM DISEASES OF SPRING WHEAT VARIETIES IN THE NORTHERN FOREST-STEPPECONDITIONS OF TYUMENREGION KW spring wheat KW seed treatment KW fungicide treatment KW infection development KW biological efficiency KW crop capacity JO Bulletin of KSAU AU Polyakov, M.V. AU Gubanova, V.M. PY 2014 IS PB Krasnoyarsk State Agrarian University