Published

2021-09-01

Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations

Estudios sobre la naturaleza de las relaciones entre rendimiento de grano y rasgos relacionados con el rendimiento en poblaciones de trigo duro (Triticum durum Desf.)

DOI:

https://doi.org/10.15446/rfnam.v74n3.92488

Keywords:

Correlation , Durum wheat, Selection , Stepwise regression, Variability (en)
Correlación, Trigo duro , Selección, Regression escalonada, Variabilidad (es)

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Authors

  • Zahira Laala Laboratory for Valorization of Natural Biological Resources, Department of Biology and Plant Ecology, Faculty of Nature and Life Sciences, Ferhat Abbas University Sétif-1, 19000 Setif, Algeria https://orcid.org/0000-0001-9488-6663
  • Abdelmalek Oulmi Faculty of Natural and Life Sciences, University of Ferhat Abbas Setif-1 https://orcid.org/0000-0002-1716-711X
  • Zine El Abidine Fellahi Department of Agronomy. Faculty of Natural, Life and Earth Sciences and the Universe. University of Mohamed. El Bachir El Ibrahimi, ZIP code 34034, Bordj Bou Arréridj, Algeria https://orcid.org/0000-0002-1066-325X
  • Amar Benmahammed Laboratory for Valorization of Natural Biological Resources, Department of Biology and Plant Ecology, Faculty of Nature and Life Sciences, Ferhat Abbas University Sétif-1, 19000 Setif, Algeria https://orcid.org/0000-0001-7300-0245

This experiment was conducted at the Field Crops Institute, Agricultural Experimental Station of Setif (ITGC-AES), Eastern semi-arid areas of Algeria, during two successive cropping seasons, 2010/11 and 2011/12. The aim of the study was to evaluate the association of yield and yield-related traits and determine the direct and indirect effects of yield-related traits on grain yield. The plant materials consisted of 330 F3 and 174 F4 durum wheat lines along with their four parents and one control cultivar, which were evaluated under rainfed conditions in a semi-arid region. Data on nine agronomic traits were recorded. Sufficient genetic variability was observed among wheat traits as indicated by the minimum and maximum mean values and confirmed by the phenotypic and genotypic coefficients of variation that took intermediate and high estimates for most of the traits evaluated both in F3 and F4 generations. A high heritability (>60%) was observed for almost all the traits studied indicating the involvement of the additive action of genes in their genetic determinism. Results of stepwise regression and path analysis showed that biological yield, harvest index and number of spikes were the most determinant components of grain yield, exhibiting high positive direct effects (0.697, 0.683 and 0.293 in F3 vs 0.695, 0.205 and 0.560 in F4, respectively) coupled with positive and significant correlations (r=0.696*, r=0.778* and r=0.127* in F3 vs r=0.686*, r=0.628* and r=0.491* in F4, respectively) with this trait. These three yield-contributing traits can be considered as suitable indirect selection criteria to improve grain yield in the subsequent generation of the wheat breeding program.

Este experimento se llevó a cabo en el Instituto Cultivos de Campo, Estación Experimental Agrícola de Setif (ITGC-AES), áreas semiáridas del este de Argelia durante dos temporadas de cultivo sucesivas, 2010/11 y 2011/12. El objetivo de este estudio fue evaluar la asociación de rendimiento y rasgos relacionados con el rendimiento y determinar los efectos directos e indirectos de los rasgos relacionados con el rendimiento de grano. El material vegetal consistió en líneas de trigo duro 330 F3 y 174 F4 junto con sus cuatro padres y un cultivar testigo que se evaluaron en condiciones de secano en una región semiárida. Se registraron datos sobre nueve características agronómicas. Se observó suficiente variabilidad genética entre los rasgos del trigo según lo indicado por los valores medios mínimo y máximo y confirmado por los coeficientes de variación fenotípicos y genotípicos que tomaron estimaciones intermedias y altas para la mayoría de los rasgos evaluados tanto en las generaciones F3 como F4. Se observó una alta heredabilidad (> 60%) para casi todos los rasgos estudiados, lo que indica la participación de la acción aditiva de los genes en su determinismo genético. Los resultados de la regresión escalonada y el análisis de ruta mostraron que el rendimiento biológico, el índice de cosecha y el número de espigas revelaron efectos directos positivos elevados junto con correlaciones positivas y significativas con el rendimiento de grano, exhibiendo grandes efectos positivos directos (0.697, 0.683 y 0.293 en F3 vs 0.695, 0.205 y 0.560 en F4, respectivamente) acoplados con correlaciones positivas y significativas (r=0.696*, r=0.778* y r=0.127* en F3 vs r=0.686*, r=0.628* y r=0.491* en F4, respectivamente) con este rasgo. Estos tres rasgos que contribuyen al rendimiento se consideran como los mejores criterios de selección indirecta para mejorar el rendimiento de grano en la generación posterior de este programa de mejoramiento de trigo.

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How to Cite

APA

Laala, Z., Oulmi, A., Fellahi, Z. E. A. . & Benmahammed, A. (2021). Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations. Revista Facultad Nacional de Agronomía Medellín, 74(3), 9631–9642. https://doi.org/10.15446/rfnam.v74n3.92488

ACM

[1]
Laala, Z., Oulmi, A., Fellahi, Z.E.A. and Benmahammed, A. 2021. Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations. Revista Facultad Nacional de Agronomía Medellín. 74, 3 (Sep. 2021), 9631–9642. DOI:https://doi.org/10.15446/rfnam.v74n3.92488.

ACS

(1)
Laala, Z.; Oulmi, A.; Fellahi, Z. E. A. .; Benmahammed, A. Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations. Rev. Fac. Nac. Agron. Medellín 2021, 74, 9631-9642.

ABNT

LAALA, Z.; OULMI, A.; FELLAHI, Z. E. A. .; BENMAHAMMED, A. Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations. Revista Facultad Nacional de Agronomía Medellín, [S. l.], v. 74, n. 3, p. 9631–9642, 2021. DOI: 10.15446/rfnam.v74n3.92488. Disponível em: https://revistas.unal.edu.co/index.php/refame/article/view/92488. Acesso em: 20 mar. 2026.

Chicago

Laala, Zahira, Abdelmalek Oulmi, Zine El Abidine Fellahi, and Amar Benmahammed. 2021. “Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations”. Revista Facultad Nacional De Agronomía Medellín 74 (3):9631-42. https://doi.org/10.15446/rfnam.v74n3.92488.

Harvard

Laala, Z., Oulmi, A., Fellahi, Z. E. A. . and Benmahammed, A. (2021) “Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations”, Revista Facultad Nacional de Agronomía Medellín, 74(3), pp. 9631–9642. doi: 10.15446/rfnam.v74n3.92488.

IEEE

[1]
Z. Laala, A. Oulmi, Z. E. A. . Fellahi, and A. Benmahammed, “Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations”, Rev. Fac. Nac. Agron. Medellín, vol. 74, no. 3, pp. 9631–9642, Sep. 2021.

MLA

Laala, Z., A. Oulmi, Z. E. A. . Fellahi, and A. Benmahammed. “Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations”. Revista Facultad Nacional de Agronomía Medellín, vol. 74, no. 3, Sept. 2021, pp. 9631-42, doi:10.15446/rfnam.v74n3.92488.

Turabian

Laala, Zahira, Abdelmalek Oulmi, Zine El Abidine Fellahi, and Amar Benmahammed. “Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations”. Revista Facultad Nacional de Agronomía Medellín 74, no. 3 (September 1, 2021): 9631–9642. Accessed March 20, 2026. https://revistas.unal.edu.co/index.php/refame/article/view/92488.

Vancouver

1.
Laala Z, Oulmi A, Fellahi ZEA, Benmahammed A. Studies on the nature of relationships between grain yield and yield-related traits in durum wheat (Triticum durum Desf.) populations. Rev. Fac. Nac. Agron. Medellín [Internet]. 2021 Sep. 1 [cited 2026 Mar. 20];74(3):9631-42. Available from: https://revistas.unal.edu.co/index.php/refame/article/view/92488

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