Research of the tall bearded iris varieties (<i>Iris x hybrida hort.</i>) in the Stavropol Botanical Garden

Relevance . Introduction and variety study of flower ornamental crops is one the main tasks botanical gardens, which aims to expand promising assortment for domestic floriculture. Results In period from 2018 2020 varieties hybrid iris ( Iris x hybrida hort. ) garden group “tall bearded” were studied in Stavropol Botanical Garden. The presented 13 belong foreign selection. Basically, are characterized by medium or early flowering periods with an average duration 11-15 days. course study, biometric characteristics, economic biological properties analyzed. longest productivity identified. ability bear fruit, important further breeding work, was noted three varieties: Autumn Circus, Pallida Variegata, Immortality. disease that harms culture heterosporiosis. most resistant diseases Afternoon Rio, Bye Blues, Variegata (up 10% damage). detected pests (flea beetle, aphid, mole cricket, etc.) generally cause minor damage plants. assessment decorativeness, 11 parameters analyzed using a 100-point scale taking into account conversion factor. color, size, shape flower, aroma, inflorescence, abundance flowering, resistance adverse weather conditions, decorative vegetative part plants, originality, condition plants taken account. As result 9 highly identified: Stardock, Lotus Land, Power Point, Good Day Oregon, Lorilee, Conjuration, Rio.