History and Progress of Barley Breeding in Sládkovičovo
2017
Vratislav Psota (Research Institute of Brewing and Malting, Plc, Malting Institute, Mostecká 7, 614 00 Brno, Czech Republic) | Klára Križanová (HORDEUM Ltd, Nový Dvor 1052, 925 21 Sládkovičovo, Slovak Republic) | Tomáš Krajčovič (Slovak University of Agriculture in Nitra, Department of Plant Products Storage and Processing (FBFS), Tr. A. Hlinku 2, 949 76 Nitra, Slovak Republic) | Lenka Sachambula (Research Institute of Brewing and Malting, Plc, Malting Institute, Mostecká 7, 614 00 Brno, Czech Republic)
Study summarizes the results of agronomical and malting parameters of spring malting barley varieties bred in the Breeding Station Sládkovičovo in the period of 1938–2010. Progress in breeding was refl ected in the year-on-year increase in grain yield by 0.024 t/ha, thousand grain weight by 0.07 g, sieving fractions above 2.5 mm by 0.14 percentage points (pp), further, year-on-year reduction in plant height by 0.18 cm and nitrogenous substances content by 0.03 pp were recorded. Year-on-year increase in extract content by 0.055 pp, apparent fi nal attenuation by 0.07 pp, Kolbach index by 0.11 pp and relative extract by 0.09 pp were identifi ed. The year-on-year decline in β-glucan content in wort by 5.4 mg/l and increase in the value of friability by 0.3 pp were recorded. Wort color and wort color after boiling increased year-on-year by 0.008 unit EBC and by 0.014 unit EBC.
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