TY JOUR TI ROOT FORMATION STIMULATORS AND THEIR INFLUENCE ON THE ROOTING OF GREEN AND WOODEN CUTTINGS OF PEAR CLONE KW reproduction KW clonal rootstocks KW pear (Pyrus) KW green cuttings KW woody cuttings KW rooting. JO Vestnik of Kazan State Agrarian University AU Zhuravleva, A.V. PY 2021 IS 15 PB Kazan state agrarian University