booltБюллетень Государственного Никитского ботанического садаBulletin of the State Nikitsky Botanical Gardens0513-1634Federal State Funded Institution of Science “The Labour Red Banner Order Nikitsky Botanical Gardens – National scientific Center of the RAS”boolt-1052Research ArticleДЕНДРОЛОГИЯ И ДЕКОРАТИВНОЕ ЦВЕТОВОДСТВОDENDROLOGY AND DECORATIVE FLORICULTUREОценка засухоустойчивости садовых роз на основе содержания пролина, влагоудерживающей способности и состояния клеточных мембран под влиянием гидротермального стрессаEVALUATION OF THE DROUGHT RESISTANCE OF GARDEN ROSES BASED ON THE РROLINE CONTENT, WATER RETENTION CAPABILITY AND STATE OF CELL MEMBRANES UNDER THE INFLUENCE OF HYDROTHERMAL STRESSГребенниковаО.GrebennikovaO.

Oksana Grebennikova

Yalta 298648 Republic of Crimea, Yalta, Nikita village 

oksanagrebennikova@yandex.ruПилькевичР.PilkevichR.

Ruslana Pilkevich

Yalta 298648 Republic of Crimea, Yalta, Nikita village 

ПлугатарьС.PlugatarS.

Svetlana Plugatar

298676, Republic of Crimea, Alupka, Dvortsovoe Shosse Street, 18 

The Nikitsky Botanical Gardens – National Scientific CenterRussian FederationState Autonomous Institution of Culture of the Republic of Crimea "Alupka Museum-Reserve"Russian Federation20252101202611576471Copyright © Гребенникова О., Пилькевич Р., Плугатарь С., 20262026Гребенникова О., Пилькевич Р., Плугатарь С.Grebennikova O., Pilkevich R., Plugatar S.This work is licensed under a Creative Commons Attribution 4.0 License.https://boolt.elpub.ru/jour/article/view/1052

Для выявления засухоустойчивости семи генотипов садовых роз в период максимальной вероятности засухи на Южном берегу Крыма были изучены параметры водного режима, содержание пролина и проницаемость клеточных мембран в условиях контролируемого обезвоживания. Было выявлено, что различные условия гидротермального стресса по-разному влияют на изучаемые генотипы садовых роз. В условиях относительно мягкого увядания, после снятия стресса, концентрация пролина снижалась, достигая почти контрольных значений, а проницаемость клеточных мембран листьев большинства изучаемых объектов, за исключением Rosa gallica и Rosa chinensis var. minima, не нарушалась. В условиях имитируемой сухой погоды, после восстановления полива, концентрация пролина и проницаемость клеточных мембран листьев большинства генотипов увеличились, что указывает на повреждение или частичную гибель тканей листьев. В листьях вида Rosa gallica произошло разрушение клеточных мембран, что привело к полному отмиранию тканей. Основываясь на устойчивости клеточных мембран к разрушению и клеточной протоплазмы к обезвоживанию, было установлено, что ‘Borisfen’ cv. и Rosa hugonis отличаются максимальной засухоустойчивостью. 

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The authors declare that there are no conflicts of interest present.