ecodagЮг России: экология, развитиеSouth of Russia: ecology, development1992-10982413-0958State Institute of Applied Ecology of the Republic of Dagestan10.18470/1992-1098-2023-3-81-94ecodag-2909Research ArticleЭКОЛОГИЯ РАСТЕНИЙECOLOGY OF PLANTSЭкспериментальное изучение структуры изменчивости природных популяций Origanum vulgare L. из Горного ДагестанаExperimental study of the structure of variability of natural populations of Origanum vulgare L. from mountainous Dagestan, Russiahttps://orcid.org/0000-0002-9005-1324МусаевА. М.MusaevA. M.

Абдулахид М. Мусаев, старший научный сотрудник

г. Махачкала, ул. М. Ярагского, 79

Тел. +79285157298

Abdulvahid M. Musaev, Senior Researcher

79 M. Yaragskogo St, Makhachkala, 367015

+79285157298

РаджабовГ. К.RadzhabovG. K.

Гаджи К. Раджабов

г. Махачкала, ул. М. Ярагского, 79

Gadzhi K. Radzhabov

79 M. Yaragskogo St, Makhachkala, 367015

https://orcid.org/0000-0002-2181-1801АлиевА. М.AliyevA. M.

Аслан М. Алиев

г. Махачкала, ул. М. Ярагского, 79

Aslan M. Aliyev

79 M. Yaragskogo St, Makhachkala, 367015

https://orcid.org/0000-0003-4804-3168ИсламоваФ. И.IslamovaF. I.

Фатима И. Исламова

г. Махачкала, ул. М. Ярагского, 79

Fatima I. Islamova

79 M. Yaragskogo St, Makhachkala, 367015

Горный ботанический сад ДФИЦ РАНMountain Botanical Garden of the Dagestan Federal Research Centre of the Russian Academy of Sciences2023021120231838194Copyright © Мусаев А.М., Раджабов Г.К., Алиев А.М., Исламова Ф.И., 20232023Мусаев А.М., Раджабов Г.К., Алиев А.М., Исламова Ф.И.Musaev A.M., Radzhabov G.K., Aliyev A.M., Islamova F.I.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://ecodag.elpub.ru/ugro/article/view/2909

Цель. Выявление пластичности и стабильности, а также оценка межпопуляционной дифференциации по накоплению вторичных метаболитов в эколого-географическом эксперименте с двумя модельными популяциями Origanum vulgare L., относящимся к разным подвидам и викарирующих вдоль высотного градиента.Материал и методы. Эколого-географический эксперимент с пересаженными растениями Origanum vulgare L. на двух экспериментальных базах (высота 1100 и 1730 м), моделирующих условия горно-долинного и верхнего горного поясов. Суммарное содержание антиоксидантов устанавливалось электрохимическим методом. Эфирное масло получали гидродистилляцией на аппарате Клевенджера. Компонентный состав масла установлен на газовом хроматографе с масс-спектрометрическим детектором. Идентификация компонентов проводилась при помощи библиотек масс-спектров.Результаты. Проведено изучение структуры изменчивости по выходу и компонентному составу эфирного масла, а также суммарной антиоксидантной активности у двух популяций Origanum vulgare L., относящихся к разным подвидам. Выявлены закономерности, позволяющие отнести изученные популяции к предгорному и высокогорному экотипам.Выводы. Выход эфирного масла и содержание суммарных антиоксидантов четко скоррелированы с условиями на экспериментальных участках и не связаны с микроэволюционными процессами под контролем абиотических факторов высотного градиента.

Aim. To identify plasticity and stability and to evaluate interpopulation differentiation in terms of accumulation of secondary metabolites in an ecological and geographical experiment with two model populations of Origanum vulgare L., belonging to different subspecies and vicarious along the altitudinal gradient.Material and Methods. Ecological and geographical experiment with transplanted plants of Origanum vulgare L. at two experimental bases, at altitudes of 1100 and 1730 m and simulating the conditions of the mountain‐valley and upper mountain belts. The total content of antioxidants was determined by the electrochemical method. The essential oil was obtained by hydrodistillation on a Clevenger apparatus. The component composition of the oil was established on a gas chromatograph with a mass spectrometric detector. Components were identified using mass spectra libraries.Results. We studied the structure of variability in the yield and component composition of essential oil, as well as the total antioxidant activity in two populations of Origanum vulgare L. belonging to different subspecies. Regularities have been revealed that make it possible to attribute the studied populations to foothill and highland ecotypes.Conclusions. The yield of essential oil and the content of total antioxidants are clearly correlated with the conditions in the experimental plots and are not associated with microevolutionary processes under the control of abiotic factors of the altitudinal gradient.

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