ORIGINAL RESEARCH
Genotypic Divergences of Important Mungbean Varieties in Response to Salt Stress at Germination and Early Seedling Stage
 
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1
Department of Agronomy, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh
 
2
Agronomy Division, Pulse Research Centre (BARI), Ishurdi, Pabna, Bangladesh
 
3
Department of Environmental Sciences, Shaheed Benazir Bhutto University Sheringal, Dir Upper, Khyber Pakhtunkhwa 18000, Pakistan
 
4
School of Biological Sciences, The University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia
 
5
Faculty of Agriculture, Jazeera University, Mogadishu, Somalia
 
6
Department of Chemical Engineering, Louisiana Tech University, Ruston, LA 71272, , USA
 
7
Department of Plant Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
 
8
Department of Field Crops, Faculty of Agriculture, Siirt University, Siirt, Turkey
 
9
Department of Agronomy, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Shaikh, Egypt
 
 
Submission date: 2023-10-13
 
 
Final revision date: 2023-12-12
 
 
Acceptance date: 2024-01-31
 
 
Online publication date: 2024-03-26
 
 
Publication date: 2024-07-12
 
 
Corresponding author
Ayman El Sabagh   

Department of Field Crops, Faculty of Agriculture, Siirt University, Siirt, Turkey
 
 
Mohammad Sohidul Islam   

Department of Agronomy, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh
 
 
Pol. J. Environ. Stud. 2024;33(5):5857-5868
 
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ABSTRACT
Salinity drastically hampers the germination and growth of legumes including mungbean which jeopardizes the food and nutritional security of the rising human population. An experiment entailing varying salinity levels (0, 50, and 150 Mm NaCl) was conducted to investigate the response of salinity on germination and seedling growth of four mungbean genotypes (BARI Mung-7, BARI Mung-8, BU Mug-2, and BU Mug-4). The germination indices such as percentage and rate of germination along with the coefficient of velocity (GP) of all mungbean genotypes were significantly reduced by the salt stress, especially of Binamoog-5 at 150 mM NaCl. Contrarily, BARI Mung-8 remained superior by recording better germination indices under all salinity levels. The same cultivar outperformed the rest of the cultivars based on the greatest weights (fresh and dry) and length of roots and shoots, while BU Mug-2 could not perform at par under a saline environment. Thus, it might be inferred that mungbean genotypes differ in their potential for salt endurance due to the germination vigor and seedling growth robustness and screening of salt-tolerant cultivars could mitigate the detrimental effects of saline environment.
eISSN:2083-5906
ISSN:1230-1485
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