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Parametric and nonparametric stability of grain yield and grain protein content in durum wheat genotypes with various origins

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dc.contributor.authorDragov, R.
dc.contributor.authorTaneva, K.
dc.contributor.authorBozhanova, V.
dc.date.accessioned2023-10-31T07:57:44Z
dc.date.available2023-10-31T07:57:44Z
dc.date.issued2023
dc.descriptionReceived: February 11th, 2023 ; Accepted: September 29th, 2023 ; Published: October 23rd, 2023 ; Correspondence: dragov1@abv.bgeng
dc.description.abstractIdentification of genotypes that can maintain a good yield and quality performance under climatic variability is critical for ensuring future food security. The aim of this study was to determine the stability of fifty-four durum wheat varieties with different geographical origins conceming the traits grain yield and grain protein content by parametric and nonparametric assessments. The varieties were tested in three consecutive years 2019–2021 in a randomized block design in three replications. Four nonparametric stability assessment, four parametric stability assessment, the coefficient of variation and the simulated assessment of yield and stability by Kang were determined. The analysis of variance revealed a significant influence of genotypes, environment and the genotype and environment interaction (GxE) on the expression of both studied traits. The environment showed a greatest influence on the variation of both traits. Eleven genotypes achieved average yield above 6.00 t ha-1 . The genotypes with a high average yield and grain protein content and high stability as determined by the most stability assessments were identified as Melina (BG), Raylidur (BG) and Beloslava (BG) - for grain yield and varieties as Cesare and Beloslava (BG) - for grain protein content. The Bulgarian variety Beloslava was the most valuable combination high yield and grain protein content along with high stability for both traits across different seasons. Beloslava can be recommended for involvement in durum wheat breeding programs for simultaneously improvement of productivity and grain quality and to develop new durum wheat varieties well adapted to changing climate conditions.eng
dc.identifier.issn2228-4907
dc.identifier.publicationAgronomy Research, 2023, vol. 21, no. 2, pp. 693–710eng
dc.identifier.urihttp://hdl.handle.net/10492/8638
dc.identifier.urihttps://doi.org/10.15159/ar.23.091
dc.publisherEstonian University of Life Scienceseng
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)eng
dc.rightsinfo:eu-repo/semantics/openAccesseng
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectdurum wheateng
dc.subjectgrain protein contenteng
dc.subjectgrain yieldeng
dc.subjectstabilityeng
dc.subjectarticleseng
dc.titleParametric and nonparametric stability of grain yield and grain protein content in durum wheat genotypes with various originseng
dc.typeinfo:eu-repo/semantics/articleeng

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2023, Vol. 21, No. 2