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Article

Exogenously Applied Trehalose Augments Cadmium Stress Tolerance and Yield of Mung Bean (Vigna radiata L.) Grown in Soil and Hydroponic Systems through Reducing Cd Uptake and Enhancing Photosynthetic Efficiency and Antioxidant Defense Systems

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Department of Botany, University of Agriculture, Faisalabad 38040, Pakistan
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Department of Agronomy, University of Agriculture, Faisalabad 38040, Pakistan
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Research Center on Ecological Sciences, Jiangxi Agricultural University, Nanchang 330045, China
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Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Forestry and Wood Technology Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria 21545, Egypt
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Laboratoire de Biologie des Ligneux et des Grandes Cultures (LBLGC), INRAE USC1328, Université d’Orléans, 28000 Chartres, France
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Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
*
Author to whom correspondence should be addressed.
Academic Editor: Luis E. Hernandez
Plants 2022, 11(6), 822; https://doi.org/10.3390/plants11060822
Received: 8 February 2022 / Revised: 9 March 2022 / Accepted: 14 March 2022 / Published: 19 March 2022
(This article belongs to the Special Issue Abiotic Stress Tolerance in Crop and Medical Plants Volume II)
Cadmium (Cd) toxicity is a serious environmental issue causing a significant reduction in crop growth and productivity globally. Trehalose (Tre) has emerged as an important reducing sugar that can reduce the adverse impacts of different abiotic stresses. Therefore, the present investigation was performed to determine the key role of Tre in alleviating Cd stress in the mung bean (Vigna radiata L.) crop. The study was comprised of different treatments of cadmium (0, 10, 20 mg kg−1 soil) and Tre (0, 15 and 30 mM). Cd stress significantly restricted the growth and yield of mung bean. However, Tre supplementation markedly improved growth and yield due to pronounced reductions in Cd uptake and Cd-induced oxidative stress as shown by the lower production of hydrogen peroxide (H2O2), electrolyte leakage (EL) and malondialdehyde (MDA) in Cd-stressed plants as well as by the enhanced activities of antioxidant enzymes (CAT, POD, APX and AsA). Moreover, the ameliorative role of Tre to Cd toxicity was also demonstrated by its ability to enhance chlorophyll contents, total soluble protein (TSP) and free amino acids (FAA). Taken together, Tre supplementation played a key beneficial role in improving Cd stress tolerance and yield traits of mung bean through restricting Cd uptake and enhancing photosynthetic capacity, osmolytes biosynthesis and antioxidant activities. View Full-Text
Keywords: cadmium; mung bean; photosynthetic pigments; antioxidants; ROS; trehalose cadmium; mung bean; photosynthetic pigments; antioxidants; ROS; trehalose
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MDPI and ACS Style

Rehman, S.; Chattha, M.U.; Khan, I.; Mahmood, A.; Hassan, M.U.; Al-Huqail, A.A.; Salem, M.Z.M.; Ali, H.M.; Hano, C.; El-Esawi, M.A. Exogenously Applied Trehalose Augments Cadmium Stress Tolerance and Yield of Mung Bean (Vigna radiata L.) Grown in Soil and Hydroponic Systems through Reducing Cd Uptake and Enhancing Photosynthetic Efficiency and Antioxidant Defense Systems. Plants 2022, 11, 822. https://doi.org/10.3390/plants11060822

AMA Style

Rehman S, Chattha MU, Khan I, Mahmood A, Hassan MU, Al-Huqail AA, Salem MZM, Ali HM, Hano C, El-Esawi MA. Exogenously Applied Trehalose Augments Cadmium Stress Tolerance and Yield of Mung Bean (Vigna radiata L.) Grown in Soil and Hydroponic Systems through Reducing Cd Uptake and Enhancing Photosynthetic Efficiency and Antioxidant Defense Systems. Plants. 2022; 11(6):822. https://doi.org/10.3390/plants11060822

Chicago/Turabian Style

Rehman, Sadia, Muhammad U. Chattha, Imran Khan, Athar Mahmood, Muhammad U. Hassan, Asma A. Al-Huqail, Mohamed Z.M. Salem, Hayssam M. Ali, Christophe Hano, and Mohamed A. El-Esawi. 2022. "Exogenously Applied Trehalose Augments Cadmium Stress Tolerance and Yield of Mung Bean (Vigna radiata L.) Grown in Soil and Hydroponic Systems through Reducing Cd Uptake and Enhancing Photosynthetic Efficiency and Antioxidant Defense Systems" Plants 11, no. 6: 822. https://doi.org/10.3390/plants11060822

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