Comparison of important parameters of spring barley and winter barley cultivated in sugar beet production area of Czech Republic
2002
Spunar, J. | Vaculova, K. | Spunarova, M. | Nesvadba, Z. (Zemedelsky Vyzkumny Ustav, Kromeriz (Czech Republic))
Both spring and winter barley were sown after a forecrop of winter rape. Three registered model varieties of six-row and two row winter barley reached in the period 1999-2001 significantly higher yield than three model varieties of spring barley. Two-row spring and winter varieties produced significantly higher thousand grain weight (TGW) than the six-row winter barley. The resistance to diseases and lodging (correlation coefficient with resistance to powdery mildew was 0.68, to rust 0.72, to lodging 0.61) was the most important factor determining the yield. Resistance to rust has influenced sieving on 2.5 mm, correlation coefficient reached value of 0.88. No significant differences were determined in any malting quality parameter when varieties between two row winter barley variety (Tiffany), and spring barley varieties (Akcent and Tolar). Tolar reached higher parameters for friability and a beta glucan content. Between years, significant differences were found in protein content and apparent degree of attenuation. Two-row winter barley varieties with comparable malting parameters are recommended as the reserve crop for malting barley industry demands.
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