‘Butta 12’ (Reg. no. CV‐371, PI 692639) is the first malting barley (Hordeum vulgare L.) released by the University of California to complete plant‐scale malting evaluation and to be brewed successfully by scores of craft brewers. In cooperation with Admiral Maltings, Alameda, CA, Butta 12 has been malted and marketed primarily under the names Gallagher's Best, Feldblume, and Admiral Pils for all‐malt brewing and distilling. Butta 12 combines good malting quality, adequate disease resistance, and good agronomic performance to provide a local maltster with a grower‐accepted local source of malting barley. Kilning variables produced a wide range of flavors. Additionally, Butta 12 and a related malting cultivar ‘UC Tahoe’ are nonproducers of glycosidic nitrile, which is an advantage for their use by distillers. With no initial California two‐rowed malting barley germplasm as a starting point, it took over 20 yr of breeding work to combine favorable alleles for malting quality from the Oregon State University barley improvement program with increased disease resistance from the barley breeding program of International Center for the Improvement of Agriculture in the Dry Areas (ICARDA)/International Center for Maize and Wheat Improvement (CIMMYT), Mexico. The focus on disease resistance was necessary because several barley diseases in California prevent the direct introduction of malting cultivars into California's Central Valley from the northern tier of U.S. states and Canada.

中文翻译：

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“ Butta 12”，两行制麦芽大麦，适应加利福尼亚中央谷地，具有公认的制麦成功和精酿啤酒的认可

'Butta 12'（Reg。no。CV‐371，PI 692639）是第一个制麦大麦（Hordeum vulgareL.）由加利福尼亚大学发布，以完成植物规模的制麦芽评估，并由数十家精酿啤酒商成功酿造。通过与加利福尼亚阿拉米达的海军上将麦芽制造公司的合作，Butta 12进行了发芽和销售，主要以加拉格尔的Best，Feldblume和Admiral Pils的名义进行全麦芽酿造和蒸馏。Butta 12具有良好的发芽品质，足够的抗病性和良好的农艺性能，可为当地的麦芽生产者提供种植者认可的麦芽大麦本地来源。窑变产生各种各样的风味。另外，Butta 12和相关的麦芽栽培品种'UC Tahoe'是糖苷腈的非生产者，这对于酒厂使用它们是一个优势。没有最初的加州两行制麦芽大麦种质作为起点，花费了20多年的育种工作，将俄勒冈州立大学大麦改良计划中有利于发芽的等位基因与国际干旱地区农业改良中心（ICARDA）/国际中心的大麦育种计划中增强的抗病性相结合墨西哥玉米和小麦改良计划（CIMMYT）。必须将抗病重点放在抗病上，因为加利福尼亚的数种大麦病都阻止了将麦芽栽培种从美国各州和加拿大的北部直接引入加利福尼亚的中央谷地。