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  • 1 Agricultural Institute Osijek Juzno predgradje 17 HR-31 000 Osijek Croatia
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Trials with seven genotypes of winter wheat were set up as RCB design at four locations in continental part of Croatia in three repetitions during 2004 and 2005 year. Grain yield and indirect quality traits were analyzed. Statistically significant differences for all traits were found among cultivars (G), locations (L) and years (Y), and for all interactions (GxL, GxY, LxY, GxLxY) except for the interaction GxLxY for protein and wet gluten content and for the interaction term GxL for grain yield. In 2004 year higher grain yields were realized as compared to 2005. The same trend has been reached for all analysed quality traits (2004 was better than 2005) except for sedimentation value. The highest grain yields, test weights and wet gluten content were realized at location Osijek. Highest protein content and sedimentation value were found at location Nova Gradiska. The most yielding genotypes with lowest coefficient of variation for grain yield over locations and years were Seva, Demetra and Srpanjka, while the most favorable quality traits with the lowest coefficient of variation were found for Golubica, Zitarka and Panonka.

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