Exogenous application of melatonin and jasmonic acid protects the sugar beet from heat stress by modulating the enzymatic antioxidants deference mechanism and accumulation of organic osmolytes

IF 2.4 4区 生物学 Q2 PLANT SCIENCES
Muhammad Irfan, Ahmed Abou El-Yazied, Muhammad Sheeraz, Shabir Hussain, Abdul Sattar, Qasim Ali, Hany G. Abd El-Gawad, Fahad Mohammed Alzuaibr, Maha Mohammed Alharbi, Siham M. Al-Balawi, Doaa Bahaa Eldin Darwish, Eldessoky S. Dessoky, Mohamed F. M. Ibrahim
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引用次数: 0

Abstract

Heat stress reduces the growth and productivity of agronomic crops and considered as main hazard for sustainable farming. Melatonin and jasmonic acid play an essential role in mitigating the adversities of abiotic stresses. Therefore; current experiment was performed to assess the potential of sole and collective application of melatonin and jasmonic acid to mitigate the adversities of high temperature on sugar beet. Experimental treatments consisted of control (Ck), water spray, melatonin (150 µM), jasmonic acid (150 µM) and melatonin (150 µM) + jasmonic acid (150 µM) applied on sugar beet plants grown under two temperature levels; normal condition and heat stress (inside sheet). Results indicated that high temperature remarkably decreased leaf chlorophyll pigments, and relative water contents while increased electrolyte leakage, hydrogen peroxide, thiobarbituric acid reactive substances (TBARS), activities of antioxidant enzymes, and concentration of organic osmolytes in sugar beet leaves. However; separate and collective application of melatonin and jasmonic acid alleviate negative impact of high temperature by improving photosynthetic pigments, gas exchange attributes and concentration of osmolytes in the leaves of sugar beet. Application of melatonin + jasmonic acid enhanced the activities of antioxidants which reduced the harmful impact of ROS. Moreover; foliar application of melatonin + jasmonic acid considerably increased the root yield and yield attributes and sugar recovery in heat stress condition. It was concluded that combined application of melatonin + jasmonic alleviate the adversities of heat stress by enhancing the leaves chlorophyll contents, gas exchange attributes, osmo-protectants, activities of enzymatic antioxidants. Finding of the study revealed that collective applied melatonin + jasmonic acid found to be useful techniques for cultivation of sugar beet at high temperature stress.

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来源期刊
Acta Physiologiae Plantarum
Acta Physiologiae Plantarum 生物-植物科学
CiteScore
5.10
自引率
3.80%
发文量
125
审稿时长
3.1 months
期刊介绍: Acta Physiologiae Plantarum is an international journal established in 1978 that publishes peer-reviewed articles on all aspects of plant physiology. The coverage ranges across this research field at various levels of biological organization, from relevant aspects in molecular and cell biology to biochemistry. The coverage is global in scope, offering articles of interest from experts around the world. The range of topics includes measuring effects of environmental pollution on crop species; analysis of genomic organization; effects of drought and climatic conditions on plants; studies of photosynthesis in ornamental plants, and more.
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