Comparative Physiological and Biochemical Mechanisms of Salt Tolerance in Four Quinoa Cultivars Under Varying Salinity and Sodicity Levels
Journal of Plant Growth Regulation(2024)
Abstract
Salinization and sodication present significant threats to crop productivity in many parts of the world including Pakistan. Cultivating halophytes like quinoa presents a viable solution for the profitable use of salt-affected lands. This study specifically examines the performance and salt tolerance mechanism of four quinoa accessions under varying salinity and sodicity levels. In addition to a control group, different combinations of electrical conductivity and sodium adsorption ratio (ECe dS m−1 SAR levels) were established: 10:20, 10:40, 20:20, and 20:40, achieved by using a mixture of salts. Most of the quinoa cultivars exhibited robust growth, with the exception of GLN-22, which proved unable to withstand high levels of salinity and sodicity, resulting in a 78
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Key words
Quinoa,Salt tolerance,Salt-affected soils,Yield performance
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