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Assessment of the Impact of the Application of a Quercetin—Copper Complex on the Course of Physiological and Biochemical Processes in Wheat Plants (Triticum aestivum L.) Growing under Saline Conditions

Salt stress is one of the main stressors limiting plant growth and yield. As a result of salt stress, unfavorable changes in the photosynthesis process take place, leading to a decrease in plant productivity. Therefore, it is necessary to use biologically active substances that reduce the effects of...

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Autores principales: Jańczak-Pieniążek, Marta, Migut, Dagmara, Piechowiak, Tomasz, Balawejder, Maciej
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8997712/
https://www.ncbi.nlm.nih.gov/pubmed/35406704
http://dx.doi.org/10.3390/cells11071141
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author Jańczak-Pieniążek, Marta
Migut, Dagmara
Piechowiak, Tomasz
Balawejder, Maciej
author_facet Jańczak-Pieniążek, Marta
Migut, Dagmara
Piechowiak, Tomasz
Balawejder, Maciej
author_sort Jańczak-Pieniążek, Marta
collection PubMed
description Salt stress is one of the main stressors limiting plant growth and yield. As a result of salt stress, unfavorable changes in the photosynthesis process take place, leading to a decrease in plant productivity. Therefore, it is necessary to use biologically active substances that reduce the effects of this stress. An example of such a substance is quercetin, classified as a flavonoid, which plays an important role in alleviating the effects of salt stress, mainly by the inactivation of reactive oxygen species (ROS) and by improvement of the photosynthesis process. A study was made of the effect of the quercetin–copper complex (Q-Cu (II)), which has a stronger antioxidant effect than pure quercetin. By means of a pot experiment, the influence of solutions of the Q-Cu (II) complex (100 mg∙L(−1) [Q1], 500 mg∙L(−1) [Q2] and 1000 mg∙L(−1) [Q3]) on the physiological and biochemical processes occurring in wheat plants subjected to salt stress was investigated. The plants were given two sprays of Q-Cu (II) solution, and their physiological parameters were examined both 1 and 7 days after each application of this solution. The level of ROS and the activity of antioxidant enzymes (catalase [CAT], superoxide dismutase [SOD] and guaiacol peroxidase [GPOX]) were also determined. It has been shown that spraying with Q2 and Q3 solutions improves the chlorophyll content, the values of chlorophyll fluorescence parameters (the photochemical efficiency of PS II [F(v)/F(m)], the maximum quantum yield of primary photochemistry [F(v)/F(0)], and the performance index of PS II [PI]), and gas exchange (net photosynthetic rate [P(n)], stomatal conductance [g(s)], transpiration rate [E] and intercellular CO(2) concentration [C(i)]). As a result of the application of Q2 and Q3 solutions, the level of ROS and the activity of the antioxidant enzymes tested decreased, which means that these concentrations are most effective in counteracting the effects of salt stress.
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spelling pubmed-89977122022-04-12 Assessment of the Impact of the Application of a Quercetin—Copper Complex on the Course of Physiological and Biochemical Processes in Wheat Plants (Triticum aestivum L.) Growing under Saline Conditions Jańczak-Pieniążek, Marta Migut, Dagmara Piechowiak, Tomasz Balawejder, Maciej Cells Article Salt stress is one of the main stressors limiting plant growth and yield. As a result of salt stress, unfavorable changes in the photosynthesis process take place, leading to a decrease in plant productivity. Therefore, it is necessary to use biologically active substances that reduce the effects of this stress. An example of such a substance is quercetin, classified as a flavonoid, which plays an important role in alleviating the effects of salt stress, mainly by the inactivation of reactive oxygen species (ROS) and by improvement of the photosynthesis process. A study was made of the effect of the quercetin–copper complex (Q-Cu (II)), which has a stronger antioxidant effect than pure quercetin. By means of a pot experiment, the influence of solutions of the Q-Cu (II) complex (100 mg∙L(−1) [Q1], 500 mg∙L(−1) [Q2] and 1000 mg∙L(−1) [Q3]) on the physiological and biochemical processes occurring in wheat plants subjected to salt stress was investigated. The plants were given two sprays of Q-Cu (II) solution, and their physiological parameters were examined both 1 and 7 days after each application of this solution. The level of ROS and the activity of antioxidant enzymes (catalase [CAT], superoxide dismutase [SOD] and guaiacol peroxidase [GPOX]) were also determined. It has been shown that spraying with Q2 and Q3 solutions improves the chlorophyll content, the values of chlorophyll fluorescence parameters (the photochemical efficiency of PS II [F(v)/F(m)], the maximum quantum yield of primary photochemistry [F(v)/F(0)], and the performance index of PS II [PI]), and gas exchange (net photosynthetic rate [P(n)], stomatal conductance [g(s)], transpiration rate [E] and intercellular CO(2) concentration [C(i)]). As a result of the application of Q2 and Q3 solutions, the level of ROS and the activity of the antioxidant enzymes tested decreased, which means that these concentrations are most effective in counteracting the effects of salt stress. MDPI 2022-03-28 /pmc/articles/PMC8997712/ /pubmed/35406704 http://dx.doi.org/10.3390/cells11071141 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Jańczak-Pieniążek, Marta
Migut, Dagmara
Piechowiak, Tomasz
Balawejder, Maciej
Assessment of the Impact of the Application of a Quercetin—Copper Complex on the Course of Physiological and Biochemical Processes in Wheat Plants (Triticum aestivum L.) Growing under Saline Conditions
title Assessment of the Impact of the Application of a Quercetin—Copper Complex on the Course of Physiological and Biochemical Processes in Wheat Plants (Triticum aestivum L.) Growing under Saline Conditions
title_full Assessment of the Impact of the Application of a Quercetin—Copper Complex on the Course of Physiological and Biochemical Processes in Wheat Plants (Triticum aestivum L.) Growing under Saline Conditions
title_fullStr Assessment of the Impact of the Application of a Quercetin—Copper Complex on the Course of Physiological and Biochemical Processes in Wheat Plants (Triticum aestivum L.) Growing under Saline Conditions
title_full_unstemmed Assessment of the Impact of the Application of a Quercetin—Copper Complex on the Course of Physiological and Biochemical Processes in Wheat Plants (Triticum aestivum L.) Growing under Saline Conditions
title_short Assessment of the Impact of the Application of a Quercetin—Copper Complex on the Course of Physiological and Biochemical Processes in Wheat Plants (Triticum aestivum L.) Growing under Saline Conditions
title_sort assessment of the impact of the application of a quercetin—copper complex on the course of physiological and biochemical processes in wheat plants (triticum aestivum l.) growing under saline conditions
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8997712/
https://www.ncbi.nlm.nih.gov/pubmed/35406704
http://dx.doi.org/10.3390/cells11071141
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