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Mapping and QTL analysis of the barley population Alexis × Sloop

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Barr, A.R., Jefferies, S.P., Broughton, S., Chalmers, K.J., Kretschmer, J.M., Boyd, W.J.R., Collins, H.M., Roumeliotis, S., Logue, S.J., Coventry, S.J., Moody, D.B., Read, B.J., Poulsen, D., Lance, R.C.M., Platz, G.J., Park, R.F., Panozzo, J.F., Karakousis, A., Lim, P., Verbyla, A.P. and Eckermann, P.J. (2003) Mapping and QTL analysis of the barley population Alexis × Sloop. Australian Journal of Agricultural Research, 54 (12). pp. 1117-1123.


Article Link: http://dx.doi.org/10.1071/AR02190

Publisher URL: http://www.publish.csiro.au/


Two populations between the German malting variety Alexis and the Australian malting variety Sloop were constructed, mapped, phenotyped, and subjected to quantitative trait loci analysis. One population consisted of 153 F4-derived recombinant inbred lines and the other of 111 doubled haploid lines. This paper describes 18 field and laboratory experiments conducted with the populations and summarises the traits mapped and analysed. The genetic basis of 5 traits (malt extract, resistance to leaf rust, resistance to powdery mildew, early flowering, plant stature) important to Australian efforts to improve malting barley varieties was elucidated. Detailed maps for these populations are shown in this paper, while a consensus map incorporating these maps and further experiments on the populations are described elsewhere in this issue.

Item Type:Article
Corporate Creators:Department of Employment, Economic Development and Innovation (DEEDI), Agri-Science, Crop and Food Science
Business groups:Crop and Food Science
Additional Information:Reproduced with permission from © CSIRO Publishing. Access to published version may be available via Publisher’s website.
Keywords:Molecular marker assisted selection; quantitative trait loci (QTL).
Subjects:Plant culture > Field crops > Barley
Science > Biology > Genetics > Quantitative genetics (esp. Quantitative Trait Loci (QTL) articles)
Live Archive:16 Apr 2004
Last Modified:03 Sep 2021 16:43

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