Ivashchenko I. Thuja plicata Donn ex D. Don and its decorative form in the Right-Bank Forest-Steppe of Ukraine (biology, ecology, reproduction and practical use).

Dissertation work is devoted to a comprehensive assessment of biological and ecological characteristics of growth and development of introduced Th. plicata in the conditions of right-Bank Forest-Steppe of Ukraine.. Analyzed the systematic and phylogenetic relationships, natural and cultural habitats, Th. plicata. Іnvestigated seasonal rhythm of growth and development Th. plicata in the conditions of Right-Bank Forest Steppe eco-zone of Ukraine. Set the duration and dynamics of growth of annual shoots during the growing period. The questions frost and drought resistance, characteristics of flowering and fruiting in the region. - Researched methods of seed and vegetative reproduction Th. plicata. The study quality rooting species and cultivars Th. plicata with the use of various stimulants. Assesses the viability and success of the introduction of the species under investigation in the right Bank Forest-steppe of Ukraine. The estimated degree of decoration, and practical recommendations on the use of species and intraspecific diversity when creating landscape compositions.