Introduction of some species of the family Rosaceae in the arboretum of Siberian State University of Science and Technologies named after academician M.F. Reshetnev

The results of the evaluation of the viability of 20 in-troducents of the family Rosaceae Juss. from Siberian State University named after academician M.F. Reshetnev (SibSU) arboretum's collection are presented. SibSU arboretum is located in suburban area of Krasnoyarsk city and belongs, according to floral zoning, to the Anga-ra-Sayansky district of the Central Siberian province. The researches were carried out according to the meth-od developed in the Department of Dendrology of the Main Botanical Garden. According to the area of natural distribution species are conditionally divided into three groups (floras). The final assessment of the indicators for taxa was determined by the average long-term data prevailing in a biogroup. Winter hardiness, features of vegetative and generative development, the possibility of reproduction of taxa were established. The group of perspective species introductions for these conditions was determined, basing on the set of indicators...