Genetic Impacts of the Hull on Barley Grain Quality

G.P. Fox; A.M. Kelly; M. Cakir; G. Bloustein; D.M.E. Poulsen; P.A. Inkerman; R.J. Henry

doi:10.1002/j.2050-0416.2006.tb00238.x

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Genetic Impacts of the Hull on Barley Grain Quality

Journal article

Peer reviewed

Genetic Impacts of the Hull on Barley Grain Quality

G.P. Fox, A.M. Kelly, M. Cakir, G. Bloustein, D.M.E. Poulsen, P.A. Inkerman and R.J. Henry

Journal of the Institute of Brewing, Vol.112(2), pp.101-107

2006

DOI: https://doi.org/10.1002/j.2050-0416.2006.tb00238.x

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Abstract

Barley hull plays an important role in malt and feed quality and processing. In this study we measured the variation in hull content along with other grain quality traits namely, kernel discolouration and degree of pre-harvest sprouting, in a single mapping population. There were significant (p < 0.05) genetic as well as environment effects. In addition, heritability was calculated for hull content to be 29% and 47% for two years' data. From the analysis, major QTL markers were identified in controlling the expression of hull content on chromosomes 2 (2H), and 6 (6H) with significant (P < 0.05) LOD scores of 5.4 and 3.46 respectively. Minor QTLs were identified on 1 (7H), 4 (4H), 5 (1H) and 7 (5H). The region at marker Bmac310 on 4(4H) could be associated with dormancy gene SD4. A number of the QTLs also coincided with regions for either kernel discolouration or preharvest sprouting resistance (dormancy). The results indicate that variation exists for hull content, which is influenced by both growing environment as well as genetically, although the genetic variance explained less than half of the total variance. Further, hull content also impacts on other grain quality attributes including dormancy, sprouting resistance and kernel appearance.

Details

Title: Genetic Impacts of the Hull on Barley Grain Quality
Authors/Creators: G.P. Fox (Author/Creator)
A.M. Kelly (Author/Creator)
M. Cakir (Author/Creator)
G. Bloustein (Author/Creator)
D.M.E. Poulsen (Author/Creator)
P.A. Inkerman (Author/Creator)
R.J. Henry (Author/Creator)
Publication Details: Journal of the Institute of Brewing, Vol.112(2), pp.101-107
Publisher: The Institute of Brewing and Distilling
Identifiers: 991005539581507891
Copyright: © 2006 The Institute of Brewing & Distilling
Murdoch Affiliation: State Agricultural Biotechnology Centre
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.4 Crop Science; 3.4.96 QTL
Web Of Science research areas: Food Science & Technology
ESI research areas: Agricultural Sciences