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Theor Appl Genet. 2012 Jul;125(2):201-10. doi: 10.1007/s00122-012-1887-6. Epub 2012 May 22.

Mapping QTL for agronomic traits in breeding populations.

Author information

1
State Plant Breeding Institute, University of Hohenheim, 70593 Stuttgart, Germany. tobias.wuerschum@uni-hohenheim.de

Abstract

Detection of quantitative trait loci (QTL) in breeding populations offers the advantage that these QTL are of direct relevance for the improvement of crops via knowledge-based breeding. As phenotypic data are routinely generated in breeding programs and the costs for genotyping are constantly decreasing, it is tempting to exploit this information to unravel the genetic architecture underlying important agronomic traits in crops. This review characterizes the germplasm from breeding populations available for QTL detection, provides a classification of the different QTL mapping approaches that are available, and highlights important considerations concerning study design and biometrical models suitable for QTL analysis.

PMID:
22614179
DOI:
10.1007/s00122-012-1887-6
[Indexed for MEDLINE]

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