SELECTION ESTIMATION OF THE SYRINGIN CONTENT IN THE REPRESENTATIVES OF THE LILAC GENUS (SYRINGA L.) IN THE CENTRAL BOTANICAL GARDENS OF THE NATIONAL ACADEMY OF SCIENCES OF BELARUS

Geodocumentating and selection estimation of 23 taxa of the lilac genus collection (Syringa L.) were conducted in the Central Botanical Gardens of NAS of Belarus (hereinafter – CBG). The obtained data were used to document the taxa of the named collection on the basis of the geographic information system ArcGIS. This allowed us to determine the characteristics of the location of the investigated lilac species and serves as the basis for carrying out a large number of studies, combining the data of the researchers of different generations. The following parameters were defined: coordinates of the location within CBG, percentage proportion syringin, bark proportion in relation to the timber, dry matter content in the crust. Integrated productivity was calculated in the studied taxa. On this basis, each taxon is added to particular selection categories: category 1 – shrubs with high productivity (1.80 and more kg/t of raw material); category 2 – shrubs with average productivity (0.80– 1.80 kg/t of raw material); category 3 – shrubs with low productivity (0.80 and below kg/t of raw materials). 

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