Tokizono Yoshiro, Asayama Satoshi, Jinno Hironobu, Araki Kazuya, Ashikaga Nana, Fujita Ryohei, Ito Hirotake, Watanabe Toshihisa, Kanatani Ryoichi, Kihara Makoto, Hirota Naohiko, Nanamori Masahito, Yoshida Hozumi, Hoki Takehiro
Crop Research Laboratories, Sapporo Breweries Ltd., 37-1 Nittakizaki, Ota, Gunma 370-0321, Japan.
Kitami Agricultural Experiment Station, Hokkaido Research Organization, 52 Yayoi, Kunneppu, Tokoro, Hokkaido 099-1496, Japan.
Breed Sci. 2024 Sep;74(4):382-387. doi: 10.1270/jsbbs.23094. Epub 2024 Aug 27.
Hokkaido-specific malting barley varieties have been developed to improve the grain yield, disease resistance, malting quality, and brewing quality. In this report we describe the breeding and evaluation of brewing quality of a hulled two-row malting barley ( L.) variety 'Satuiku 5 go' lacking lipoxygenase-1 (LOX-1-less). 'Satuiku 5 go' was evaluated in the joint field trials for malting barley in Hokkaido from 2016 to 2018. 'Satuiku 5 go' exhibited 11% higher grain yield and 7.6 cm shorter plant height than the control variety, 'Ryohfu'. However, the disease severity of Fusarium head blight (FHB) in 'Satuiku 5 go' was higher than in 'Ryohfu'. For malting quality, 'Satuiku 5 go' exhibited higher diastatic power, soluble nitrogen content, and fine extract content, and lower wort β-glucan content than 'Ryohfu'. 100-litter pilot scale brewing trials were conducted with 'Satuiku 5 go' and 'Satuiku 2 go' as a control variety, also a LOX-1-less variety, and no clear differences were observed.
北海道专用的制麦大麦品种已被培育出来,以提高谷物产量、抗病性、制麦品质和酿造品质。在本报告中,我们描述了一种缺乏脂氧合酶-1(无LOX-1)的带壳二棱制麦大麦(L.)品种‘佐津久5号’的酿造品质育种和评估。‘佐津久5号’在2016年至2018年北海道制麦大麦联合田间试验中进行了评估。‘佐津久5号’的谷物产量比对照品种‘绿风’高11%,株高比‘绿风’矮7.6厘米。然而,‘佐津久5号’的赤霉病严重程度高于‘绿风’。在制麦品质方面,‘佐津久5号’的糖化力、可溶性氮含量和精提取物含量高于‘绿风’,麦芽汁β-葡聚糖含量低于‘绿风’。以‘佐津久5号’和作为对照品种的同样是无LOX-1品种的‘佐津久2号’进行了100升中试规模的酿造试验,未观察到明显差异。