Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/114442
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Type: Journal article
Title: Potential for marker-assisted simultaneous improvement of grain and biomass yield in triticale
Author: Liu, W.
Maurer, H.
Leiser, W.
Tucker, M.
Weissmann, S.
Hahn, V.
Würschum, T.
Citation: BioEnergy Research, 2017; 10(2):449-455
Publisher: Springer
Issue Date: 2017
ISSN: 1939-1234
1939-1242
Statement of
Responsibility: 
Wenxin Liu, Hans Peter Maurer, Willmar L. Leiser, Matthew R. Tucker, Sigrid Weissmann, Volker Hahn, Tobias Würschum
Abstract: Triticale is a promising crop for agricultural biomass production but breeding has until now mainly focused on grain yield. Here, we evaluated the potential of marker-assisted simultaneous improvement of grain yield and biomass yield. To this end, we employed a large triticale doubled haploid population with 647 individuals derived from four families that were phenotyped for grain yield and biomass yield, as well as thousand-kernel weight, tiller density, and plant height in multi-environment field trials. Employing an association mapping approach, we identified quantitative trait loci (QTL) for all the five traits. The phenotypic correlation between grain yield and biomass yield was low, and we detected only one overlapping QTL suggesting different genetic architectures underlying both traits. Our results indicate that a marker-based selection for either grain yield or biomass yield does not adversely affect the other traits. Furthermore, an improvement of the multiplicative yield traits can to some extent also be achieved by selection for QTL identified for the component traits. Taken together, our results suggest that marker-assisted breeding can assist the establishment of dual-purpose triticale cultivars with high grain and biomass yield.
Keywords: Triticale; grain yield; biomass yield; QTL; association mapping; marker-assisted breeding
Rights: © Springer Science+Business Media New York 2016
DOI: 10.1007/s12155-016-9809-0
Published version: http://dx.doi.org/10.1007/s12155-016-9809-0
Appears in Collections:Agriculture, Food and Wine publications
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