Breeding Science
Online ISSN : 1347-3735
Print ISSN : 1344-7610
ISSN-L : 1344-7610
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Breeding of a new malting barley variety ‘Satuiku 5 go’ for Hokkaido exhibiting improved grain yield and malting quality
Yoshiro Tokizono Satoshi AsayamaHironobu JinnoKazuya ArakiNana AshikagaRyohei FujitaHirotake ItoToshihisa WatanabeRyoichi KanataniMakoto KiharaNaohiko HirotaMasahito NanamoriHozumi YoshidaTakehiro Hoki
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2024 Volume 74 Issue 4 Pages 382-387

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Abstract

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 (Hordeum vulgare 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.

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© 2024 by JAPANESE SOCIETY OF BREEDING

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