Effects of the Protein Hydrolysate Pretreatment on Cucumber Plants Exposed to Chilling Stress

This study aimed to evaluate the effects of the protein hydrolysate Naturamin WSP on the antioxidant defense system and oxidation-related damage of young cucumber plants exposed to chilling stress. Low positive temperatures have a negative effect on plant growth and performance, and besides visible...

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Main Authors: Adelina Harizanova, Lyubka Koleva-Valkova, Andon Vassilev
Format: Article
Language:English
Published: Polish Botanical Society 2022-10-01
Series:Acta Agrobotanica
Subjects:
Online Access:https://pbsociety.org.pl/journals/index.php/aa/article/view/9103
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author Adelina Harizanova
Lyubka Koleva-Valkova
Andon Vassilev
author_facet Adelina Harizanova
Lyubka Koleva-Valkova
Andon Vassilev
author_sort Adelina Harizanova
collection DOAJ
description This study aimed to evaluate the effects of the protein hydrolysate Naturamin WSP on the antioxidant defense system and oxidation-related damage of young cucumber plants exposed to chilling stress. Low positive temperatures have a negative effect on plant growth and performance, and besides visible alterations, such as inhibited growth, significant changes occur at the cellular level. Plants grown at low temperature typically suffer from oxidative damage, which leads to increased lipid peroxidation. Moreover, chilling-stressed plants accumulate more proline to protect their cell membranes. The application of biostimulants such as the protein hydrolysate Naturamin WSP can alleviate some of the adverse effects caused by low temperature. Our results indicated an increased activity of guaiacol peroxidase (GPOD) in all plants treated with the biostimulant regardless of the temperature of cultivation. The mitigation of damages caused by chilling stress might be explained by an enhanced anti-oxidative defense, as demonstrated by the activity of guaiacol peroxidases and increased proline concentrations in Naturamin WSP-treated plants.
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spelling doaj.art-9755543061b84f6fb1f63c9533c586762022-12-22T03:49:49ZengPolish Botanical SocietyActa Agrobotanica2300-357X2022-10-0175010.5586/aa.7567191Effects of the Protein Hydrolysate Pretreatment on Cucumber Plants Exposed to Chilling StressAdelina Harizanova0Lyubka Koleva-Valkova1Andon Vassilev2Department of Plant Physiology, Biochemistry and Genetics, Faculty of Agronomy, Agricultural University – PlovdivDepartment of Plant Physiology, Biochemistry and Genetics, Faculty of Agronomy, Agricultural University – PlovdivDepartment of Plant Physiology, Biochemistry and Genetics, Faculty of Agronomy, Agricultural University – PlovdivThis study aimed to evaluate the effects of the protein hydrolysate Naturamin WSP on the antioxidant defense system and oxidation-related damage of young cucumber plants exposed to chilling stress. Low positive temperatures have a negative effect on plant growth and performance, and besides visible alterations, such as inhibited growth, significant changes occur at the cellular level. Plants grown at low temperature typically suffer from oxidative damage, which leads to increased lipid peroxidation. Moreover, chilling-stressed plants accumulate more proline to protect their cell membranes. The application of biostimulants such as the protein hydrolysate Naturamin WSP can alleviate some of the adverse effects caused by low temperature. Our results indicated an increased activity of guaiacol peroxidase (GPOD) in all plants treated with the biostimulant regardless of the temperature of cultivation. The mitigation of damages caused by chilling stress might be explained by an enhanced anti-oxidative defense, as demonstrated by the activity of guaiacol peroxidases and increased proline concentrations in Naturamin WSP-treated plants.https://pbsociety.org.pl/journals/index.php/aa/article/view/9103antioxidative defense systemantioxidative enzymecucumis sativus l.low positive temperature stressosmolytessoluble protein
spellingShingle Adelina Harizanova
Lyubka Koleva-Valkova
Andon Vassilev
Effects of the Protein Hydrolysate Pretreatment on Cucumber Plants Exposed to Chilling Stress
Acta Agrobotanica
antioxidative defense system
antioxidative enzyme
cucumis sativus l.
low positive temperature stress
osmolytes
soluble protein
title Effects of the Protein Hydrolysate Pretreatment on Cucumber Plants Exposed to Chilling Stress
title_full Effects of the Protein Hydrolysate Pretreatment on Cucumber Plants Exposed to Chilling Stress
title_fullStr Effects of the Protein Hydrolysate Pretreatment on Cucumber Plants Exposed to Chilling Stress
title_full_unstemmed Effects of the Protein Hydrolysate Pretreatment on Cucumber Plants Exposed to Chilling Stress
title_short Effects of the Protein Hydrolysate Pretreatment on Cucumber Plants Exposed to Chilling Stress
title_sort effects of the protein hydrolysate pretreatment on cucumber plants exposed to chilling stress
topic antioxidative defense system
antioxidative enzyme
cucumis sativus l.
low positive temperature stress
osmolytes
soluble protein
url https://pbsociety.org.pl/journals/index.php/aa/article/view/9103
work_keys_str_mv AT adelinaharizanova effectsoftheproteinhydrolysatepretreatmentoncucumberplantsexposedtochillingstress
AT lyubkakolevavalkova effectsoftheproteinhydrolysatepretreatmentoncucumberplantsexposedtochillingstress
AT andonvassilev effectsoftheproteinhydrolysatepretreatmentoncucumberplantsexposedtochillingstress