BUILDING UP THE COLLECTION HOLDINGS OF PERENNIAL ORNAMENTAL PLANTS FROM THE FAMILY ROSACEAE AT THE POLAR EXPERIMENT STATION OF VIR

The article discusses the prospects of building up a collection of ornamental plants belonging to the rose family (Rosaceae Juss.) from local cultivated and wild plant forms in order to expand the zonal assortment of ornamentals for urban landscape gardening in Murmansk Province. Since 2017, the Polar Experiment Station of the Vavilov Institute (VIR) has been engaged in systematic research activities aimed at introduction of ornamental perennial ornamental herbs and shrubs. A promising collection stock has been formed of ornamental plants, currently totaling 198 accessions (160 species) from 40 plant families, including 132 accessions of perennial herbaceous plants (77 genera), 58 of ornamental shrubs (10 genera), and 8 of woody plants (4 genera). Representatives of the family Rosaceae make up 25% of the total number of accessions. The Polar Experiment Station maintains wild and cultivated perennial plants of the genera Geum L., Filipendula L., Potentilla L., Sanguisorba L., Alchimilla L., Dryas L., Spiraea L., Rosa L., Sorbus L., Dasifora Rafin., etc., having ornamental qualities, characterized by high winter hardiness, and not requiring high expenditures for their maintenance. Further expansion of the Rosaceae collection is going to be based on the introduction of ornamentals from the rose family identified in the local vegetation of the Kola Peninsula as well as through the acquisition of accessions from botanical gardens and nurseries located in the areas with climate conditions close to those of the Polar Experiment Station of VIR.

collection stock, Rosaceae, introduction, perennial plants, trees and shrubs, ornamental plants, adaptive capacity, gene pool, conservation

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