Evaluation of the adaptability of soybean varieties in competitive variety testing in the forest-steppe zone of the Middle Volga region
https://doi.org/10.32634/0869-8155-2025-401-12-147-154
Abstract
In the context of global climate change, characterized by rising temperatures and reduced rainfall, the selection of adaptive crop varieties has become a priority.
The purpose of the study is a comprehensive assessment of the adaptability and stability of 13 soybean lines in the contrasting soil and climatic conditions of the forest-steppe of the Middle Volga region (Samara region) in 2021–2023.
The research methodology included the calculation of regression coefficients (bi), stability (σ2d), adaptivity (KA), homeostaticity (Hom) and other parameters. It was found that the highest yields (1.76–1.85 t/ha) and complex adaptability were shown by the lines L 312, L 5162/17 and L 5007-2/17, exceeding the standard Yuzhanka variety by 1.7–13.5%. A strong positive correlation of yield with compensatory capacity (r = 0.73), environmental plasticity index (r = 0.99) and adaptability coefficient (r = 0.95) was revealed. The L 319 line, which has shown high breeding value and stability, has been transferred to the state variety testing. The results of the work allow us to identify promising genotypes for the creation of highly productive and resistant soybean varieties.
About the Authors
E. A. Atakova
Samara Federal Research Center RAS — Volga Scientific Research Institute of Selection and Seed-Growing named after P.N. Konstantinov Production
Russian Federation
Russian Federation
Elena Alexandrovna Atakova, Junior Researcher
76 Shosseynaya Str., village Ust-Kinelsky, Kinel, Samara Region, 446442
I. S. Abramenko
Samara Federal Research Center RAS — Volga Scientific Research Institute of Selection and Seed-Growing named after P.N. Konstantinov Production
Russian Federation
Russian Federation
Irina Stepanovna Abramenko, Research Associate
76 Shosseynaya Str., village Ust-Kinelsky, Kinel, Samara Region, 446442
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Review
For citations:
Atakova E.A., Abramenko I.S. Evaluation of the adaptability of soybean varieties in competitive variety testing in the forest-steppe zone of the Middle Volga region. Agrarian science. 2025;(12):147-154. (In Russ.) https://doi.org/10.32634/0869-8155-2025-401-12-147-154
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