TY JOUR TI CONNECTION OF FRUITS OF CHAENOMELES JAPONICA IN CONDITIONS WITH SOUTH FOREST-STEPPE OF THE ZONE OF OMSK REGION AND INFLUENT FACTORS KW Chaenomeles japonica KW forms KW external factors KW pollen viability KW fruit set KW degree of flowering KW fall of ovaries KW Omsk region. JO Vestnik of Kazan State Agrarian University AU Kumpan, V.N. AU Suhockaya, S.G. PY 2018 IS 13 PB Kazan state agrarian University