Assessment of Genotype Stress Tolerance as an Effective Way to Sustain Wheat Production under Salinity Stress Conditions

Mirela Matković Stojšin, Sofija Petrović, Borislav Banjac, Veselinka Zečević, Svetlana Roljević Nikolić, Helena Majstorović, Radiša Đorđević and Desimir Knežević
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Mirela Matković Stojšin: Institute “Tamiš”, Novoseljanski Put 33, 26000 Pančevo, Serbia
Sofija Petrović: Faculty of Agriculture, University of Novi Sad, Dositej Obradović Square 8, 21000 Novi Sad, Serbia
Borislav Banjac: Faculty of Agriculture, University of Novi Sad, Dositej Obradović Square 8, 21000 Novi Sad, Serbia
Veselinka Zečević: Institute for Vegetable Crops, Karadjordjeva 71, 11420 Smederevska Palanka, Serbia
Svetlana Roljević Nikolić: Institute “Tamiš”, Novoseljanski Put 33, 26000 Pančevo, Serbia
Helena Majstorović: Institute “Tamiš”, Novoseljanski Put 33, 26000 Pančevo, Serbia
Radiša Đorđević: Institute for Vegetable Crops, Karadjordjeva 71, 11420 Smederevska Palanka, Serbia
Desimir Knežević: Faculty of Agriculture, University of Priština, Kopaonička bb, 38219 Lešak, Serbia

Sustainability, 2022, vol. 14, issue 12, 1-19

Abstract: The creation of salt-tolerant wheat genotypes can provide a basis for sustainable wheat production in areas that are particularly sensitive to the impacts of climate change on soil salinity. This study aimed to select salt-tolerant wheat genotypes that could serve as a genetic resource in breeding for salinity tolerance. A two-year experiment was established with 27 wheat genotypes, grown in salinity stress and non-stress conditions. Agronomic parameters (plant height, spike weight, number of grains per spike, thousand grain weight, and grain yield/plant) were analyzed in the phenophase of full maturity, while biochemical parameters (DPPH radical scavenging activity and total phenolic content) were tested in four phenophases. Grain yield/plant was the most sensitive parameter to salinity, with a 31.5% reduction in value. Selection based on salt tolerance indices (STI, MP, and GMP) favored the selection of the genotypes Renesansa, Harmonija, Orašanka, Bankut 1205, KG-58, and Jugoslavija. Based on YI (1.30) and stability analysis, the genotype Harmonija stands out as the most desirable genotype for cultivation in saline conditions. The presence of positive correlations between grain yield/plant and biochemical parameters, in all phenophases, enables the selection of genotypes with high antioxidant activity and high yield potential, even in the early stages of plant development.

Keywords: agronomic parameters; antioxidant activity; biochemical parameters; salinity stress; salt tolerance indices (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:14:y:2022:i:12:p:6973-:d:833416

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