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https://hdl.handle.net/20.500.14279/29792
Τίτλος: | Investigating Stability Parameters for Agronomic and Quality Traits of Durum Wheat Grown under Mediterranean Conditions | Συγγραφείς: | Kyratzis, Angelos C. Pallides, Andreas Katsiotis, Andreas |
Major Field of Science: | Agricultural Sciences | Field Category: | AGRICULTURAL SCIENCES | Λέξεις-κλειδιά: | Durum wheat;Mediterranean;Climate change;G × E interactions;Stability;Grain yield;Quality traits | Ημερομηνία Έκδοσης: | 1-Αυγ-2022 | Πηγή: | Agronomy, 2022, vol. 12, no. 8, pp. 1774 | Volume: | 12 | Issue: | 8 | Start page: | 1 | End page: | 17 | Περιοδικό: | Agronomy | Περίληψη: | Durum wheat in the Mediterranean grows under rainfed conditions, where unpredictable climatic conditions result in substantial variation in grain yield and quality. Climate change intensifies Genotype × Environment interactions and urges breeders to escalate their efforts to breed cultivars combining high performance and stability. The current study aimed to appraise the relations between twelve stability parameters derived by different statistical models for yield, yield-related and quality traits of durum wheat grown under Mediterranean conditions. Stability parameters were estimated in two experiments of twenty and sixteen cultivars, respectively. The parameters were categorized into three groups. Group A included Additive Main Effect and Multiplicative Interaction (AMMI)-derived parameters (ASV and AWAI), Wrickle’s ecovalence (Wi), Shukla’s stability variance (σ2), and the nonparametric parameters Si(1) and Si(2). Group B included regression parameters (bi, Bi_A), Coefficient of Variance (CV), and Superiority measure (Pi). Group C encompassed deviation from regression parameters (s2di-DJi) when the heterogeneity of the slope was significant. Correlations between stability parameters for different traits and the between stability parameters and the traits per se were modest. Stability parameters of Group B had higher repeatability for grain yield. The results of the present study contribute to the adjustment of durum wheat breeding strategies. | URI: | https://hdl.handle.net/20.500.14279/29792 | ISSN: | 20734395 | DOI: | 10.3390/agronomy12081774 | Rights: | © by the authors | Type: | Article | Affiliation: | Agricultural Research Institute (ARI) Cyprus University of Technology |
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