Berezkina V. 3. Biological peculiarities of introduced species of the genus Sedum L. (Crassulaceae DC.) and the prospects of their application in Ukraine

3. The thesis is devoted to study of biological properties of the species of Sedum L. The collection including 29 species, 1 hybrid, 10 cultivares, has been created in the O.V.Fomin Botanical garden of the Kyiv National University named by Taras Shevchenko. The rhythms of seasonal development of plants in culture has been investigated. The data about a spreading and phytocenotic bonds of S. antiquum Omelcz. et Zaverucha included in "The Red Data Book of Ukraine" have been given. The data of the anatomical structure of the vegetative organs of 30 taxons are established for the first. The anti-virus activity of 41 taxons Sedum L. has been investigated for the first time. It has been determined that the majority (92,5%) of the species Sedum L. which have been studied are perspective for cultivation in the Forest-Steppe and Wooded Districts of Ukraine. 34 taxons Sedum L. have been selected for the use in ornamental garaening and phytoreclamation.