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   Principal Coordinates Analysis of Yield Stability Performances of Grain Yield in Durum Wheat Genotypes  
   
نویسنده Sabaghnia Naser ,Mohammadi Mohtasham ,Karimizadeh Rahmatollah
منبع jordan journal of agricultural sciences - 2013 - دوره : 9 - شماره : 4 - صفحه:544 -560
چکیده    Twenty genotypes of durum wheat were evaluated in five different test locations over three growing seasons and analyzed for stability of yield performance. the combined analysis of variance revealed the presence of significant genotype × environment (ge) interaction for grain yield. the ge interaction was examined using multivariate analysis technique as principal coordinate analysis (pcoa). according to grand means of test environments and total mean yield (2504 kg ha^-1), test environments are grouped to low (seven environments) and high (eight environments) mean yield. considering scatter point diagrams, plot of minimum spanning tree and values of centroid distances, genotypes g13 with 2592 kg ha^-1 (mean rank=2), and g15 with 2575 kg ha^-1 (mean rank=7), were identified for unfavorable or poor environmental conditions while genotypes g9 with 2566 kg ha^-1 (mean rank=8), and g14 with 2694 kg ha^-1 (mean rank=1), were identified for favorable environments.
کلیدواژه Genotype ,Environment Interaction ,Principal Coordinate Analysis ,Triticum turgidum ssp. Durum
آدرس university of maragheh, Faculty of Agriculture, Department of Agronomy and Plant Breeding, ایران, Dryland Agricultural Research Institute (DARI), ایران, Dryland Agricultural Research Institute (DARI), ایران
 
     
   
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