The main directions of the breeding of garden roses in the southern coast of the Crimea

The article presents the analysis of breeding work with garden roses, carried out in the Nikitsky Botanical Gardens (NBG) from 1824 to the present time. There are three main historical stages, which have different breeding tasks, as well as methods of work: the first stage is connected with the work of NA. Hartwiss, the second stage - N.D. Kostetsky and the third one - V.N. Klimenko, Z.K. Klimenko and K.I. Zykov. The most significant breeding achievements of the NBG’s rose breeders are indicated. Based on the analysis of the results of the introduction study of garden roses in the NBG, the main features of garden roses cultivation in the Southern Coast of the Crimea (SCC) are specified and the requirements for cultivars created for these conditions are determined. It is established that currently in the breeding work with roses in the NBG, there are four main directions. The first direction is the creation of cultivars with multiple long flowering, the total duration of which can exceed200 days...