The biology of blossoming of new varieties and hybrids of pear bred in condition of Central Forest-Steppe of Ukraine

The terms of beginning and duration of blossoming, the variability of linear dimensions of blossom, the types of blossoming and viability of pollen of new varieties and hybrids of pear bred at the L.P. Symyrenko Mliev Institute of Horticulture on the hard-tall and weak-tall rootstocks were examined