Physiological Phenotyping and Biochemical Characterization of Mung Bean ( Vigna radiata L.) Genotypes for Salt and Drought Stress

Mayur Patel, Divya Gupta, Amita Saini, Asha Kumari, Rishi Priya and Sanjib Kumar Panda ()
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Mayur Patel: Plant Functional Genomics and Molecular Biology Laboratory, Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer 305817, India
Divya Gupta: Plant Functional Genomics and Molecular Biology Laboratory, Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer 305817, India
Amita Saini: Plant Functional Genomics and Molecular Biology Laboratory, Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer 305817, India
Asha Kumari: Plant Functional Genomics and Molecular Biology Laboratory, Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer 305817, India
Rishi Priya: Plant Functional Genomics and Molecular Biology Laboratory, Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer 305817, India
Sanjib Kumar Panda: Plant Functional Genomics and Molecular Biology Laboratory, Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer 305817, India

Agriculture, 2024, vol. 14, issue 8, 1-17

Abstract: Vigna radiata (L.) R. Wilczek , generally known as mung bean, is a crucial pulse crop in Southeast Asia that is renowned for its high nutritional value. However, its cultivation faces substantial challenges due to numerous abiotic stresses. Here, we investigate the influence of salt and drought stress on mung bean genotypes by evaluating its morpho-physiological traits and biochemical characteristics. This phenotypic analysis revealed that both salt and drought stress adversely affected mung bean, which led to reduced plant height, leaf senescence, loss of plant biomass, and premature plant death. Reactive oxygen species (ROS) production increased under these abiotic stresses. In response, to prevent damage by ROS, the plant activates defense mechanisms to scavenge ROS by producing antioxidants. This response was validated through morpho-physiological, histological, and biochemical assays that characterized KVK Puri-3 and KVK Jharsuguda-1 as salt and drought sensitive genotypes, respectively, and Pusa ratna was identified as a drought and salt tolerant genotype.

Keywords: Vigna radiata; phenotyping; physiological analysis; biochemical assays (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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