vuzbiochemiИзвестия вузов. Прикладная химия и биотехнологияProceedings of Universities. Applied Chemistry and Biotechnology2227-29252500-1558ИРНИТУ10.21285/2227-2925-2022-12-3-485-490vuzbiochemi-856Research ArticleКРАТКИЕ СООБЩЕНИЯBRIEF COMMUNICATIONВлияние протатранов на физиологические параметры яровой пшеницы при хлоридном засоленииEffect of protatranes on the physiological parameters of spring wheat under chloride salinity conditionshttps://orcid.org/0000-0001-8025-7647ПоморцевА. В.PomortsevA. V.

Анатолий Владимирович Поморцев, к.б.н., научный сотрудник

664033, г. Иркутск, ул. Лермонтова, 132

Anatolii V. Pomortsev, Cand. Sci. (Biology), Researcher

132, Lermontov St., 664033, Irkutsk

pomorcevanatolii@mail.ruhttps://orcid.org/0000-0002-0005-0134ДорофеевН. В.DorofeevN. V.

Николай Владимирович Дорофеев, к.б.н., заместитель директора по прикладной и инновационной работе

664033, г. Иркутск, ул. Лермонтова, 132

Nikolai V. Dorofeev, Cand. Sci. (Biology), Deputy Director for Applied and Innovative Work

132, Lermontov St., 664033, Irkutsk

nikolay.v.dorofeev@gmail.comhttps://orcid.org/0000-0003-1276-924XАдамовичС. Н.AdamovichS. N.

Сергей Николаевич Адамович, д.х.н., ведущий научный сотрудник

664033, г. Иркутск, ул. Фаворского, 1

Sergey N. Adamovich, Dr. Sci. (Chemistry), Leading Researcher

1, Favorsky St., 664033, Irkutsk

mir@irioch.irk.ruhttps://orcid.org/0000-0002-4770-3403ОборинаЕ. Н.OborinaE. N.

Елизавета Николаевна Оборина, к.х.н., старший научный сотрудник

664033, г. Иркутск, ул. Фаворского, 1

Elizaveta N. Oborina, Cand. Sci. (Chemistry), Senior Researcher

1, Favorsky St., 664033, Irkutsk

oborina@irioch.irk.ruСибирский институт физиологии и биохимии растений СО РАНРоссияSiberian Institute of Plant Physiology and Biochemistry SB RASRussian FederationИркутский институт химии им. А. Е. Фаворского СО РАНРоссияA. E. Favorsky Irkutsk Institute of Chemistry SB RASRussian Federation202209102022123485490Copyright © Поморцев А.В., Дорофеев Н.В., Адамович С.Н., Оборина Е.Н., 20222022Поморцев А.В., Дорофеев Н.В., Адамович С.Н., Оборина Е.Н.Pomortsev A.V., Dorofeev N.V., Adamovich S.N., Oborina E.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vuzbiochemi.elpub.ru/jour/article/view/856

В современном сельскохозяйственном производстве для управления посевами полевых культур, снижения отрицательного влияния абиотических факторов среды, повышения продуктивности и качества продукции используют химические соединения – аналоги эндогенных фитогормонов. Физиологическая ценность ряда этих веществ обусловлена способностью увеличивать устойчивость растений к неблагоприятным факторам среды. Повышенный интерес к подобным препаратам связан с их невысокой стоимостью и эффективностью в низких концентрациях. Изучено влияние смеси протатранов (а, b, c) в низких концентрациях (10-6 и 10-9 г/л) на изменение физиологических параметров (ростовые характеристики, водный статус) яровой пшеницы (Triticum aestivum L.) в условиях хлоридного засоления. Растения выращивали в лабораторных условиях в камере CLF PlantClimatics, где необработанные и обработанные химическими соединениями семена яровой пшеницы оценивали по изменению морфологических и физиологических показателей в условиях солевого стресса (150 mM NaCl). Анализ полученных данных показал, что протатраны положительно влияют на морфометрические параметры и водный статус растений при действии хлоридного засоления. Так, исследуемые вещества уменьшают ингибирование ростовых процессов при хлоридном засолении. Обработка семян исследуемыми веществами приводит к увеличению оводненности тканей и уменьшению падения осмотического потенциала в листьях и корнях. Химические соединения протатраны, независимо от соотношения смеси, способствуют улучшению водного режима растений и смягчают отрицательное действие хлоридного засоления на рост растений.

In order to manage field crop production, reduce the negative impact of abiotic factors, and increase productivity and product quality, the modern agricultural industry uses chemical compounds analogous to endogenous phytohormones. Some of these substances are physiologically valuable due to their capability to improve the resistance of plants to adverse environmental factors. The increased interest in such preparations can be attributed to their low cost and effectiveness at low concentrations. The effect of a protatrane mixture (a, b, c) on changes in the physiological parameters (growth characteristics; water status) of spring wheat (Triticum aestivum L.) was studied at low concentrations (10−6 and 10−9 g/L) under chloride salinity conditions. The plants were grown under laboratory conditions in a CLF PlantClimatics chamber, in which untreated and chemically treated spring wheat seeds were evaluated for changes in morphological and physiological parameters under salt stress conditions (150 mM NaCl). The analysis of obtained data revealed that protatranes have a positive effect on the morphometric parameters and water status of plants under chloride salinity conditions. Thus, the examined substances decrease the inhibition of growth processes under chloride salinity conditions. The treatment of seeds with the studied substances increases the tissue water content while decreasing the osmotic potential drop in leaves and roots. Irrespective of the mix ratio, protatranes help to improve the plant water status and mitigate the negative effects of chloride salinity on plant growth.

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