Association mapping of malting quality traits in UK spring and winter barley cultivar collections

Mark E. Looseley; Luke Ramsay; Hazel Bull; J. Stuart Swanston; Paul D. Shaw; Malcolm Macaulay; Allan Booth; Joanne R. Russell; Robbie Waugh; William T. B. Thomas

doi:10.1007/s00122-020-03618-9

Association mapping of malting quality traits in UK spring and winter barley cultivar collections

Mark E. Looseley, Luke Ramsay (Lead / Corresponding author), Hazel Bull, J. Stuart Swanston, Paul D. Shaw, Malcolm Macaulay, Allan Booth, Joanne R. Russell, Robbie Waugh, , William T. B. Thomas (Lead / Corresponding author)

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Abstract

In Europe, the most economically significant use of barley is the production of malt for use in the brewing and distilling industries. As such, selection for traits related to malting quality is of great commercial interest. In order to study the genetic basis of variation for malting quality traits in UK cultivars, a historical set of trial data was collated from national and recommended list trials from the period 1988 to 2016. This data was used to estimate variety means for 20 quality related traits in 451 spring barley cultivars, and 407 winter cultivars. Genotypes for these cultivars were generated using iSelect 9k and 50k genotyping platforms, and a genome wide association scan performed to identify malting quality quantitative trait loci (QTL). 24 QTL were identified in spring barley cultivars, and 2 from the winter set. A number of these correspond to known malting quality related genes but the remainder represents novel genetic variation that is accessible to breeders for the genetic improvement of new cultivars.

Original language	English
Pages (from-to)	2567-2582
Number of pages	16
Journal	Theoretical and Applied Genetics
Volume	133
Issue number	9
Early online date	6 Jun 2020
DOIs	https://doi.org/10.1007/s00122-020-03618-9
Publication status	Published - Sept 2020

ASJC Scopus subject areas

Biotechnology
Agronomy and Crop Science
Genetics

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title = "Association mapping of malting quality traits in UK spring and winter barley cultivar collections",

abstract = "In Europe, the most economically significant use of barley is the production of malt for use in the brewing and distilling industries. As such, selection for traits related to malting quality is of great commercial interest. In order to study the genetic basis of variation for malting quality traits in UK cultivars, a historical set of trial data was collated from national and recommended list trials from the period 1988 to 2016. This data was used to estimate variety means for 20 quality related traits in 451 spring barley cultivars, and 407 winter cultivars. Genotypes for these cultivars were generated using iSelect 9k and 50k genotyping platforms, and a genome wide association scan performed to identify malting quality quantitative trait loci (QTL). 24 QTL were identified in spring barley cultivars, and 2 from the winter set. A number of these correspond to known malting quality related genes but the remainder represents novel genetic variation that is accessible to breeders for the genetic improvement of new cultivars.",

author = "Looseley, {Mark E.} and Luke Ramsay and Hazel Bull and Swanston, {J. Stuart} and Shaw, {Paul D.} and Malcolm Macaulay and Allan Booth and Russell, {Joanne R.} and Robbie Waugh and Thomas, {William T. B.}",

note = "Funding -Biotechnology and Biological Sciences Research Council (BB/J019593/1) AHDB Cereals and Oilseeds (21130013) Rural and Environment Science and Analytical Services Division",

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AU - Shaw, Paul D.

AU - Macaulay, Malcolm

AU - Booth, Allan

AU - Russell, Joanne R.

AU - Waugh, Robbie

AU - Thomas, William T. B.

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Association mapping of malting quality traits in UK spring and winter barley cultivar collections

Abstract

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