Agriculture and forestry

Pizhyanov V.V. – post-graduate student of the department of landscape gardening Uman National University of Horticulture. 

The state of plantings of species and varieties of actinidia (Actinidia Lindl.) growing on the territory of the Uman National Horticultural University and their suitability for vertical gardening have been investigated and analyzed. It was found that in the green spaces of the university, a significant part was occupied by ornamental trees and shrubs, and plants of promising introduced species and varieties of the genus Actinidia Lindl. were used in landscaping much less common. It has been found out that it is possible to carry out landscaping of the walls of buildings in a short time in a lesser area, as well as isolate individual sections with hedges with the design of landscape gardening structures with the use of plants of new and promising introduced varieties of actinidia and landscape design instruments. The influence of the actinidia plants used in terms of varietal composition on the microclimate of the territory of the Uman NUS was assessed and recommendations were made on the working-out of theoretical proposals for landscaping and agrotechnological methods of growing maternal plants for interior in landscape gardening. It was cleared that the introduced species and varieties of the genus Actinidia Lindl. still remain rare in landscape architecture and forestry due to insufficient knowledge of the biological characteristics of plant growth and development in new cultivation conditions, agrotechnological measures for their own root propagation and cultivation of planting material.

It is found that one of the effective methods of propagation of the studied varieties of actinidia in the conditions of the Right-Bank Forest-Steppe Zone of Ukraine is green stem cuttings — by semi-lignified cuttings with leaves. Green stem cuttings of the studied actinidia varieties have a low regenerative ability and are classified as medium-rooted. It has been established that the most important factors inducing the regenerative ability of cuttings and the quality of planting material are the dates of cuttings, the type of cutting and its metamerism, the agrotechnological conditions of rooting, as well as the preparation of cuttings for rooting and methods of treatment with biologically active substances of auxin nature. It has been find out that not all the varieties of actinidia are characterized by high regenerative capacity when rooted by stem cuttings under conditions of finely dispersed moisturizing.

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