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Study of the genetic potential of autochthonous populations of perennial ryegrass (Lolium perenne L.) for use in breeding purposes

Author

Listed:
  • Marina Antic
  • Željko Lakić

    (PI Agricultural Institute of Republic of Srpska, Banja Luka, Bosnia and Herzegovina
    Faculty of Agriculture, University of Banja Luka, Banja Luka, Bosnia and Herzegovina)

  • Branislav Radulović

    (Faculty of Law, Mediterranean University, Podgorica, Montenegro)

  • Vera Popović

    (Institute of Field and Vegetable Crops, Novi Sad, Serbia)

Abstract

The testing and evaluation of native populations of perennial ryegrasses (Lolium perenne L.) collected from the Republic of Srpska, Bosnia and Herzegovina were conducted from 2020 to 2022 at experimental fields and laboratories of the Institute for Genetic Resources and the Agricultural Institute of the Republic of Srpska in Banja Luka. Six native populations (labelled G1-G6) and two cultivars, Esquire and Tivoli (labelled G7 and G8), were analysed in this study. The following traits were examined: the plant height (cm), number of generative stems per plant, inflorescence length (cm), number of spikes per inflorescence, seed mass per inflorescence (g), and seed yield per plant (g). The results showed that all the native populations exhibited higher average plant heights compared to the Esquire standard (G7). Population G2 had the highest average number of spikes per inflorescence (26.8), while population G4 achieved the greatest average inflorescence length (27.7 cm). Statistically significant differences in the inflorescence length were observed between populations G2, G3, G4, and G6, compared to the standards G7 and G8 (Esquire and Tivoli). The genotype and year had a significant impact on the seed yield per plant. The average yield ranged from 32.4 g (G7) to 53.4 g (G4). The seed yield per plant showed a strong positive correlation with the number of generative stems per plant, the inflorescence length, and the number of spikes per inflorescence. The native populations G4 and G5 achieved significantly higher seed yields per plant compared to the other populations and may serve as highly valuable material for breeding programmes.

Suggested Citation

  • Marina Antic & Željko Lakić & Branislav Radulović & Vera Popović, . "Study of the genetic potential of autochthonous populations of perennial ryegrass (Lolium perenne L.) for use in breeding purposes," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 0.
    • Handle: RePEc:caa:jnlcjg:v:preprint:id:21-2025-cjgpb
    DOI: 10.17221/21/2025-CJGPB
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