Kvasny Prum. 2010; 56(9): 367-372 | DOI: 10.18832/kp2010039

Barley varieties registered in the Slovak Republic in 2010.Peer-reviewed article

Vratislav PSOTA, Lenka SACHAMBULA, Marián SVORAD
1 VÚPS, a. s., Sladařský ústav, Mostecká 7, CZ-614 00 Brno
2 ÚKSÚP, Odbor odrodového skúšobníctva, Topoľčianska 488/29, SK-956 07 Veľké Ripňany, Slovenská republika

In 2007-2009 spring barley varieties Calcule, Claire, Karmel, Loredana, Paulis, and Vista were evaluated in the CCTIA Bratislava and RIBM Brno with the aim to obtain basic information and provide technical support to customers interested in these varieties. The results suggest that malting quality of all the studied varieties was similar to that of the standard varieties Nitran and Xanadu. Generally, the studied varieties had good extract contents but only the variety Karmel exceeded the standard varieties and achieved the average value of extract content of 83.4 %. The varieties had a good to optimal level of proteolytic, amylolytic and cytolytic modification. Middle level of proteolytic and amylolytic modification was determined only in the variety Loredana (Kolbach index 49.8 %, diastatic power 261 WK), this variety also had the lowest level of apparent final attenuation (80.0 %). The lowest level of attenuation was determined in the varieties Karmel (83.9 %) and Claire (84.3 %). The variety Claire also had the lowest β-glucan content in wort (69 mg/l). Together with the malting varieties, the non-malting varieties of winter two-row barley Canberra and Caramba were registered.In 2007-2009 spring barley varieties Calcule, Claire, Karmel, Loredana, Paulis, and Vista were evaluated in the CCTIA Bratislava and RIBM Brno with the aim to obtain basic information and provide technical support to customers interested in these varieties. The results suggest that malting quality of all the studied varieties was similar to that of the standard varieties Nitran and Xanadu. Generally, the studied varieties had good extract contents but only the variety Karmel exceeded the standard varieties and achieved the average value of extract content of 83.4 %. The varieties had a good to optimal level of proteolytic, amylolytic and cytolytic modification. Middle level of proteolytic and amylolytic modification was determined only in the variety Loredana (Kolbach index 49.8 %, diastatic power 261 WK), this variety also had the lowest level of apparent final attenuation (80.0 %). The lowest level of attenuation was determined in the varieties Karmel (83.9 %) and Claire (84.3 %). The variety Claire also had the lowest β-glucan content in wort (69 mg/l). Together with the malting varieties, the non-malting varieties of winter two-row barley Canberra and Caramba were registered.

Keywords: barley, variety, malting quality

Received: February 26, 2010; Accepted: April 7, 2010; Published: September 1, 2010 

References

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