Quantitative trait loci influencing end-use quality traits of hard red spring wheat breeding lines

T. J. Tsilo, J.-B. Ohm, G.A. Hareland, S. Chao and J.A. Anderson
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T. J. Tsilo: Department of Agronomy and Plant Genetics, University of Minnesota, MN 55108 St. Paul, USA
J.-B. Ohm: Cereal Crops Research Unit, Red River Valley Research Center, United States Department of Agriculture-Agricultural Research Service, ND 58105 Fargo, USA
G.A. Hareland: Cereal Crops Research Unit, Red River Valley Research Center, United States Department of Agriculture-Agricultural Research Service, ND 58105 Fargo, USA
S. Chao: Cereal Crops Research Unit, Red River Valley Research Center, United States Department of Agriculture-Agricultural Research Service, ND 58105 Fargo, USA
J.A. Anderson: Department of Agronomy and Plant Genetics, University of Minnesota, MN 55108 St. Paul, USA

Czech Journal of Genetics and Plant Breeding, 2011, vol. 47, issue SpecialIssue, S190-S195

Abstract: Wheat bread-making quality is influenced by a complex group of traits including dough visco-elastic characteristics. In this study, quantitative trait locus/loci (QTL) mapping and analysis were conducted for endosperm polymeric proteins together with dough mixing strength and bread-making properties in a population of 139 (MN98550 × MN99394) recombinant inbred lines that was evaluated at three environments in 2006. Eleven chromosome regions were associated with endosperm polymeric proteins, explaining 4.2-31.8% of the phenotypic variation. Most of these polymeric proteins QTL coincided with several QTL for dough-mixing strength and bread-making properties. Major QTL clusters were associated with the low-molecular weight glutenin gene Glu-A3, the two high-molecular weight glutenin genes Glu-B1 and Glu-D1, and two regions on chromosome 6D. Alleles at these QTL clusters have previously been proven useful for wheat quality except one of the 6D QTL clusters.

Keywords: quantitative trait locus; wheat quality (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjg:v:47:y:2011:i:specialissue:id:3279-cjgpb

DOI: 10.17221/3279-CJGPB

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