Derevyanko N. Ornamental arboreous plants in Northern Prychernomorye (introduction, bioecological particularities, utilization).

Thesis deals with the study of the contemporary state, conditions and results of the formation of cultivated dendroflora in Northern Prychernomorye. It's the first time the dendroflora species composition was studied and taxonomy structure and botanical geographical spreading of these species were analyzed. The results of studying the life forms, the occurrence rate and the age structure, intraspecific diversity of cultivated arboreous plants are discussed in this manuscript. The biological, ecological and ornamental features of wood plants were studied. The analysis of promising introducents and the individual selection of the winterhardy forms in seed populations was carried out. The basic and additional assortment of trees, shrubs and lianas was proposed in order of their using for different salted areas, perspectives of their using in the gardening of Northern Prychernomorye are showed.