D. S. Ergazina1 , D. B. Zhamalova2, B. I. Tynyspaeva1 , A. V. Zinchenko1 , Z. K. Agibaeva1
1 Agricultural experimental station “Zarechnoe” LLP, Zarechnoe village, Kostanay region, Republic ofKazakhstan
2 Kostanay Regional University named after Akhmet Baitursynuly CJSC, Kostanay, Republic of Kazakhstan
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Volume 25 No. 8
Date of paper submission: 30.05.2025, date of review: 30.06.2025, date of acceptance: 09.07.2025.
Published: 08/31/2025
Abstract. The main purpose of the study is to study the gene pool of oilseed flax in the Kostanay region to identify highly productive, drought- and disease-resistant varieties adapted to regional conditions. Methods. Experimental field research was conducted on the basis of LLP “AES Zarechnoe” in 2024. The phenological phases of development, yield, oil content, and weight of 1000 seeds of more than 50 cultivars were studied. The meteorological conditions of the growing season and their effect on plant growth were also analyzed. Scientific novelty. The study is based on the principle that the creation of competitive varieties requires a wide gene pool and in-depth study of biological and economically valuable traits. The novelty of the study lies in a comprehensive assessment of modern flax varieties selected taking into account regional climatic risks and their possible inclusion in breeding programs. For the first time in the conditions of the Kostanay region, comparative characteristics of adaptivity and productivity of a wide range of cultivars are given. Research is also aimed at identifying varieties resistant to drought, diseases and pests, studying the genetic diversity of flax and breeding opportunities, assessing the potential of oil content and biochemical composition of seeds, improving agricultural technologies taking into account the genetic characteristics of plants. Results. Promising varieties have been identified (Istok, Eruslan, Metelitsa, C 5402 (Satte), Altyn), characterized by a short growing season (82–85 days), high oil content (up to 45.2 %) and yield (up to 15.7 c/ha). It has been established that these samples are most adapted to regional conditions and can be used in further breeding and production programs.
Keywords: oilseed flax, variety, gene pool, oil content, drought resistance, adaptation, breeding
Acknowledgements. The article was prepared as part of the targeted program financing of the Ministry of Agriculture of the Republic of Kazakhstan for 2024–2026 under the scientific and technical program “Breeding and genetic technology for the development of long-term storage, restoration, monitoring and rational use of agrobiodiversity as a basic basis for improving breeding programs of the Republic of Kazakhstan” (BR22885305).
For citation: Ergazina D. S., Zhamalova D. B., Tynyspaeva B. I., Zinchenko A. V., Agibaeva Z. K. Study of the oilseed flax gene pool in Kostanay region: the experience of LLP “AES Zarechnoye”. Agrarian Bulletin of the Urals. 2025; 25 (08): 1177‒1187. https://doi.org/10.32417/1997-4868-2025-25-08-1177-1187 (In Russ.)
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