Novikova AA.

Animal Husbandry and Fodder Production. 2026. Vol. 109. No. 1. Р. 248-262.

doi: 10.33284/2658-3135-109-1-248

Original article

Assessment of adaptive yield components in spring barley varieties

 

Antonina A Novikova1

1Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia

1tony-novikova@yandex.ru, https://orcid.org/0000-0002-6947-9262

 

Abstract. The aim of the study was to evaluate homogeneous groups of spring barley characterized by similar productivity and stability profiles based on genotype clustering according to a set of adaptive productivity properties. Multidimensional statistical methods were used for the analysis, including Ward's hierarchical agglomerative method followed by k-means cluster analysis to test stability. Adaptability and productivity were assessed based on key performance indicators - the mass of the main spike and the mass of grain from the plant, as well as their interaction with the environment. The results showed the identification of three clusters with different adaptive profiles: 1) stably adaptive genotypes: Line-13, Liniya-11, Liniya-12, Liniya-10, T 25, Orenburgskiy 11, Gubernatorskiy; characterized by high homeostaticity (2.03-2.80) and breeding value (0.19-0.23), promising for direct use in breeding; 2) highly productive but unstable genotypes: Liniya-4, Liniya-14, Lekar 3; they demonstrate high potential in optimal conditions (0.67-0.81)  and increased sensitivity to stress; 3) мoderately adaptive or low-competitive genotypes: Lekar 2, Liniya-6, Liniya-7, Liniya-8, Nataly, Nutans 285, Orenburgskiy 24, T 25, Gubernatorskiy; characterized by moderate adaptability (0.67-0.81) and competitiveness (0.01-0.24). The analysis of the results demonstrates the effectiveness of the cluster approach for selecting parent forms, taking into account the intercluster distance and the average productivity level. In the future, it is possible to form an ideotype of adaptivity at the level of populations and lines, which will increase the predictability of production characteristics in changing conditions and accelerate breeding programs.

Keywords: spring barley, yield, genotype, clustering, genetic flexibility, stress tolerance

Acknowledgments: the work was supported in accordance to the plan of research works for 2022-2026 of the Federal State Budgetary Institution FNC BST RAS (No. FNWZ-2022-0015).

For citation: Novikova AA. Assessment of adaptive yield components in spring barley varieties. Animal Husbandry and Fodder Production. 2026;109(1):248-262. (In Russ.). https://doi.org/10.33284/2658-3135-109-1-248

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Information about the authors:

            Antonina A Novikova, Cand. Sci. (Agriculture), Leading Researcher, Head of the Laboratory for Breeding and Genetic Research in Plant Growing, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 27/1 Gagarin Ave., Orenburg, 460051, tel.: 89228884481.

The article was submitted 16.01.2026; approved after reviewing 10.02.2026; accepted for publication 16.03.2026.

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