
Agronomy Science, przyrodniczy lublin, czasopisma up, czasopisma uniwersytet przyrodniczy lublin
Yields of 11 cultivars of winter wheat were evaluated in post-registration (recommended list) trials in Lower Silesia in the years 2007–2009. The experiments were conducted in standard and intensive cropping systems at 7 locations differing in weather and soil conditions. The intensive variant, in comparison with the standard one, differed by a 40 kg×h-1 higher level of nitrogen fertilisation, the application of anti-lodging chemicals, foliar feeding of plants with microelements and complete control of fungal diseases. The cultivars Rapsodia and Cubus were the best yielders in standard systems, whereas Cubus and Nadobna gave high yields in the intensive system. Changing atmospheric conditions in the three studied years, and especially water deficit during the vegetation season of plants on lighter soils, resulted in lower yield stability of the investigated wheat cultivars Considerable differences in yields in some of the localities suggest the need for testing new varieties in many environments, because of the significant genotype ´ environment interaction.
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