TAXONOMIC STRUCTURE OF DENDROFLORA OF AGRARIAN-CONOMIC COLLEGE PARK POLTAVA STATE AGRARIAN ACADEMY

Abstract

The park of Agrarian-economic college Poltava State Agrarian Academy is a monument of landscape gardening art of state importance. The object of the research was the dendroflora of the park of Agrarian-economic college Poltava State Agrarian Academy. The results of the research revealed that the vast majority of woody plants species belong to the department of Carnivores (Magnoliophyta). However, there are also various representatives of the department of Gymnospermous (Pinophyta), belonging to the class of Coniferous (Pinopsida). According to the results of the study, it was found that the college’s dendroflora has 47 families, 101 genus and 160 species. The correlation between the branches of the plants Pinophyta and Magnoliophyta was the following in the number of families 4 and 43, by the number of genera 11 and 90, by the number of species 23 and 137, respectively. The department of Gymnospermous (Pinophyta) is represented by 23 species, of which: trees-14, bushes-8, representatives of Aboriginal flora-6, introducents-16. The most common plants of the genus Pinus, that contains 6 species Juniperus-5 species, Picea – 3 types and Chamaecyparis – 2 kinds. Among the coniferous plants, the dominant are Pinus pallasiana L., Pinus ponderosa Dougl., Picea abies L. Angiospermous plants (Magnoliophyta) are represented by 137 species that belong to 43 families and 90 genera, of which 52 trees, 75 bushes, 10 species of lianas (Creepers) - 25 species of which are aboriginal, introducents-112. The analysis of the systematic structure of decorative plants at the level of the families showed that the most widely in the green areas of the Park are family: Rosaceae (23 species), Fabaceae (9 species), Caprifoliaceae (7 species), Salicaceae (7 species), Oleaceae (5 species) Sapindaceae (5 species). At the level of genera, sample types of Rosa (8 kinds), Salix (5 types), Juglandaceae (4 species), Crataegus (4 species), Sorbus (4 species).