ORIGINAL RESEARCH
The Effect of Salinity on the Physiological and
Productivity Traits of Soft Wheat Genotypes
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Institute of Molecular Biology & Biotechnologies, Ministry of Science and Education of the Republic of Azerbaijan,
11 Izzat Nabiyev Str., AZ1073, Baku, Azerbaijan
Submission date: 2025-10-03
Final revision date: 2026-02-06
Acceptance date: 2026-03-31
Online publication date: 2026-07-30
Corresponding author
Ibrahim Vahab Azizov
Institute of Molecular Biology & Biotechnologies, Ministry of Science and Education of the Republic of Azerbaijan,
11 Izzat Nabiyev Str., AZ1073, Baku, Azerbaijan
KEYWORDS
TOPICS
ABSTRACT
Soil salinity constrains the vital activities of plants, thereby diminishing their growth and
productivity. Consequently, the study of the physiological characteristics and productivity of salt
tolerance in plants is of significant importance. In the field trial area, normal soils (the experimental field
of the “Chloroplast Photochemistry” laboratory of the Institute of Molecular Biology and Biotechnology
of the Republic of Azerbaijan) and saline soils (where the salinity in the soil is mainly sulfates (1.5%
H2SO4), at the experimental field of the Institute of Soil Science of the Republic of Azerbaijan in
the Agsu-Kurdamir region) were selected. Physiological processes occurring in the leaves during
the vegetative growth phase were examined. Salt decreased the levels of photosynthetic pigments,
photosystem II activity, and productivity in the leaves of the genotypes in different ways. In addition
to the general responses to species-specific salinity, the unique characteristics of each genotype also
played an important role. As a result, the total chl a + chl b pigment content, carotenoid content, PSII
activity, and productivity of the Azamatli-95, Gobustan, Kiymatli-2/17, and Nurlu-99 genotypes were
more pronounced than the other varieties, and these varieties showed greater tolerance to salt stress.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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