SEASONAL DYNAMICS OF PIGMENT CONTENT IN PLANT LEAVES OF СRATAEGUS L. KIND IN KRIVOY ROG (DNIPROPETROVSK REGION, UKRAINE)

The article reflects the seasonal dynamics of chlorophyll content and carotenoids in the leaves of 8 species of the genus Crataegus L. of different botanical and geographic origin, grown in the arboretum of the Krivoy Rog Botanical Garden of the NAS of Ukraine. The similarity of nature of changes in a pigmentary complex of leaves of an indigenous species and seven species of invasive plants is revealed.