Variability of selected quantitative traits in new spring barley genotypes

The research included 19 breeding lines and 4 cultivars of spring barley from the preliminary field experiments harvested in 2020 Radzików. All samples were characterized for content protein, non-starch polysaccharides (NSP) with soluble (S-NSP) insoluble (I-NSP) fractions β-glucan. Additionally, viscosity water extracts (WEV) was measured to determine functional properties grain. It most diverse parameter (CV = 27%) significantly correlated β-glucan (r 0.50; p <0.05). This dependence is shown by results obtained grain Avatar cultivar RAH 744/19 line, which (5.3% 4.8%, respectively), as well WEV (3.3 mPa.s 3.0 mPa.s, respectively) highest. lowest β – glucan (3.5%) one values (1.4 mPa.s) observed KWS Jessie cultivar. Principal component analysis (PCA) showed a substantial impact two components PC1 PC2 on variability analyzed material showing significant 5 genotypes confirmed previous biochemical analyzes. Our made it possible indicate several that may constitute source works aimed at improving quality barley. Presented study also show some new genotypes, favorable chemical composition fodder brewing perspective, good future use industry.