عنوان مقاله [English]
To study the stability of 20 bread wheat genotypes forgrain yield and yield components, an experiment was carried outinrandomized complete block design with two replications in five environmentsin East Azarbaijan provience, Tabriz and Meyane agricultural stations, Iran,during 2011-2014. The results of combined analysis of variance showed that the genotype × environment interaction was significant (at least p<0.05) for yield and yield components. Therefore,the stability analysis of the studied genotypes was conducted for yield and yield components usingEberhart and Russull, simultaneous selection and ranking non-parametricmethods. Result from the combination of these methods showed that the genotypes 5, 14 and 8 for 1000-grain weight,the genotypes 1 , 5 and 6 for number of grain per spike and the genotypes 6 17 and 1 for number of spike per m2, besides having less interaction with the environment than the other genotypes,had also higher yield potential. Hovewer, for grain yield the genotypes 5(Yang87-158) and 8(Milan CM75118-B-5M-1Y-05M) with grain yield of 6.47 and 6.38 t/ha, respectively, had less interaction with the environment and more stability and can be recommended for cultivation in similar climate in spring. The result of this research also showed that the stability analysis by ranking method had similar results with simultaneous selection method.
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