Decorative properties of Arnold’s hawthorns (Crataegus arnoldiana Sarg.) and Songara (C. songarica C. Koch.) in the arboretum of Khakassia

УДК 582.71+635.054:631.529(571.513)

Abstract

The article considers the decorative features of two promising hawthorn species in the conditions of the steppe zone of Khakassia - Crataegus arnoldiana Sarg. and Crataegus songarica C. Koch. The purpose of the work is to evaluate the decorative properties of selected hawthorn species in the steppe zone of the republic. The plants have high winter hardiness, relative drought resistance, bloom and bear fruit annually. The assessment of the decorative qualities of these species in the conditions of Khakassia has not been carried out before. The introduction of hawthorns as decorative species in the landscaping of settlements is relevant, they diversify the range of plants used to create park groups, hedges of different heights, as a tapeworm (Crataegus songarica). The assessment was carried out: the architectonics of the crown, the duration of flowering, the abundance of flowering, the color and size of flowers, the attractiveness of the appearance of fruits and the duration of their retention on branches, the color scheme of autumn leaves. The fruits of these species have not only a bright color, but also excellent taste qualities. The flowering period, flowering dates, flower sizes, inflorescences, inflorescence density have been established, and their schemes have been drawn up. According to all indicators of decorativeness, Crataegus arnoldiana and Crataegus songarica turned out to be highly decorative species in the conditions of the Abakan steppe of the Minusinsk basin.