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Pattern Analysis Of Multi-Environment Yield Trials In Barley (Hordeum Vulgare L.), Soner Yüksel, Mevlüt Akçura
Pattern Analysis Of Multi-Environment Yield Trials In Barley (Hordeum Vulgare L.), Soner Yüksel, Mevlüt Akçura
Turkish Journal of Agriculture and Forestry
Pattern analysis, cluster and ordination techniques were applied to grain yield data of 24 cultivars of 2- and 6-rowed barley (Hordeum vulgare L.) grown in 26 environments in Turkey during 2004-2008 to identify patterns of genotype (G), environment (E) and genotype × environment interaction (GEI) in barley multi-environment trials (METs). Analysis of variance showed that 86.9% of the total sum of squares was accounted for by E. Of the remaining sum of squares, the contribution of GEI was almost 9 times that of the contribution of G alone. Knowledge of environmental and cultivar classification helped to reveal several patterns of …
Characterization Of Sunflower Testing Environments In Serbia, Gordana R. Brankovic, Igor M. Balalic, Miroslav Z. Zoric, Vladimir J. Miklic, Sinisa B. Jocic, Gordana G. Surlan-Momirovic
Characterization Of Sunflower Testing Environments In Serbia, Gordana R. Brankovic, Igor M. Balalic, Miroslav Z. Zoric, Vladimir J. Miklic, Sinisa B. Jocic, Gordana G. Surlan-Momirovic
Turkish Journal of Agriculture and Forestry
A sunflower testing network that included 25 commercial hybrids and 26 sites in Serbia was analyzed by the sites regression biplot based on grain yield data in 2006 and 2007. The scientific aims of our study were to determine the representativeness and discriminating ability of the test sites and to identify good test sites for selecting generally and specifically adapted sunflower hybrids. Correlations among test sites, revealed by biplot and with Spearman's nonparametric rank correlation coefficients for each pair of test sites, were compared. Discriminating but nonrepresentative test sites in our study were represented by Aleksa Santic (18.8 °C average …