The influence of the weather conditions on the flowering time of crocuses from the collection of the Subtropical Scientific Center of the Russian Academy of Sciences
УДК 582.579.2+58.03+581.543
Abstract
Iridaceae is a large family of herbaceous plants with numerous species and cultivars, diverse in the habitus and structure of aboveground and underground organs, colour and shape of the flower, as well as in terms and duration of phenological phases. The earliest flowering is specific for representatives of the genus Crocus. The purposeful formation and study of genetic collections of ornamental crops, including Crocus, was started by Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences in the 1960s. A large number of cultivars have been introduced and studied. The aim of the work is to study the influence of the weather conditions on the flowering terms of crocuses in the humid Russian subtropics on the Black Sea coast of Krasnodar Territory. This unique region belongs to a Mediterranean-type climate with relatively warm winters. The work was carried out in 2021-2023 according to the methods generally accepted in the introduction, as well as those being finalized by the Centre. Mathematical processing was performed in the Microsoft Office Excel 2007 program. The objects of research are 19 crocus cultivars from the bioresource collection (FRC SSC of RAS), including Crocus vernus - 7; C. chrysanthus - 4; C. tommasinianus - 4, 1 each C. flavus, C. biflorus, C. sublimis, C. olivieri. In the course of the work carried out, it has been found that climatic conditions of the humid Russian subtropics make it possible to successfully implement introduction studies on Crocus cultivars.
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