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Mekliche A.,Laboratoire Of Recherche Production Vegetale Belfort El Harrach | Dahlia F.,Laboratoire Of Recherche Production Vegetale Belfort El Harrach | Hanifi-Mekliche L.,Laboratoire Of Recherche Production Vegetale Belfort El Harrach
Acta Agronomica Hungarica | Year: 2013

This study focuses on the genetic potential and genotypic stability of 17 durum wheat genotypes during three crop years under wet conditions in the north of Algeria (Algiers). The results showed highly significant (P<0.001) agro-morphological diversity between the genotypes and a genotype × environment interaction for all the traits except for fertile spikelet number. Wricke's ecovalance (w), Shukla's stability variance (σ2), heterogeneity variance (%HV) and the incomplete correlation (%IC) method were used to analyse the genotype × environment interaction on grain yield. The genotypes Ardente/Waha L2, Ardente and Saadi/Simeto L3 exhibited great instability with the highest values of w, σ2, %HV and %IC. Ardente/Waha L1, Simeto/Vitron L5, Simeto and Ardente/Vitron L1 had the highest grain yield and average stability (w, %HV and %IC were weak). Significant correlations were found between %HV, Rij2, b, w, σ2 and %IC, implying that they were similarly efficient in detecting stable genotypes and in measuring stability. Source

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