Research article | Open Access
HELIA 2026, Vol. 49(84) 48-61
Assessment of Combining Ability of Sunflower Lines Resistant to Sulfonylurea Herbicides in the Southern Steppe of Ukraine
pp. 48 - 61 | DOI: https://doi.org/10.29329/helia.2026.1446.4
Publish Date: June 12, 2026 | Single/Total View: 0/0 | Single/Total Download: 0/0
Abstract
To develop competitive sunflower hybrids, a sufficient number of parental components with agronomically valuable traits and a high level of combining ability is required. This study determined the general and specific combining ability of 40 inbred sunflower lines from the breeding programme of The Plant Breeding and Genetics Institute - National Center of Seed and Cultivar Investigation (Ukraine) that are resistant to sulfonylurea herbicides, with respect to seed yield under unstable moisture conditions in the Southern Steppe of Ukraine. The goal was to identify water-stress-adapted donors and to form highly productive hybrid combinations. Combining ability was evaluated in 2020–2023 for the trait “seed yield”. Significant variability in general and specific combining ability was observed depending on hydrothermal conditions and genotype. Statistical analysis of seed yield identified seven lines that consistently showed high combining ability and can be recommended for further breeding studies.
Keywords: Sunflower, Combining Ability, Inbred Lines, Seed Yield
APA 7th edition
Svitlakova, A., Varenyk, B., Karapira, S., Haidash, O., & Solodenko, A. (2026). Assessment of Combining Ability of Sunflower Lines Resistant to Sulfonylurea Herbicides in the Southern Steppe of Ukraine. HELIA, 49(84), 48-61. https://doi.org/10.29329/helia.2026.1446.4
Harvard
Svitlakova, A., Varenyk, B., Karapira, S., Haidash, O. and Solodenko, A. (2026). Assessment of Combining Ability of Sunflower Lines Resistant to Sulfonylurea Herbicides in the Southern Steppe of Ukraine. HELIA, 49(84), pp. 48-61.
Chicago 16th edition
Svitlakova, Alena, Borys Varenyk, Sergey Karapira, Oleksandr Haidash and Anzhella Solodenko (2026). "Assessment of Combining Ability of Sunflower Lines Resistant to Sulfonylurea Herbicides in the Southern Steppe of Ukraine". HELIA 49 (84):48-61. https://doi.org/10.29329/helia.2026.1446.4
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