Conditional QTL mapping of oil content in rapeseed with respect to protein content and traits related to plant development and grain yield.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Jianyi ZhaoWolfgang Ecke

Abstract

Oil content in rapeseed (Brassica napus L.) is generally regarded as a character with high heritability that is negatively correlated with protein content and influenced by plant developmental and yield related traits. To evaluate possible genetic interrelationships between these traits and oil content, QTL for oil content were mapped using data on oil content and on oil content conditioned on the putatively interrelated traits. Phenotypic data were evaluated in a segregating doubled haploid population of 282 lines derived from the F(1) of a cross between the old German cultivar Sollux and the Chinese cultivar Gaoyou. The material was tested at four locations, two each in Germany and in China. QTLMapper version 1.0 was used for mapping unconditional and conditional QTL with additive (a) and locus pairs with additive x additive epistatic (aa) effects. Clear evidence was found for a strong genetic relationship between oil and protein content. Six QTL and nine epistatic locus pairs were found, which had pleiotropic effects on both traits. Nevertheless, two QTL were also identified, which control oil content independent from protein content and which could be used in practical breeding programs to increase oil content without affec...Continue Reading

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Citations

Sep 9, 2006·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·R DelourmeM Renard
Aug 1, 2007·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Wei ChenFu Tingdong
Mar 13, 2008·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Samija AmarChristian Möllers
Feb 5, 2009·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Xiaomao ChengKede Liu
Oct 27, 2009·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Xiaohong YangJian-Sheng Li
Dec 3, 2009·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Wolfgang EckeHeiko C Becker
Mar 2, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Fa CuiHonggang Wang
Oct 14, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Jianyi ZhaoJinling Meng
Jan 26, 2012·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Jingcai LiMerideth Bonierbale
Mar 17, 2012·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Mulatu GeletaTomas Bryngelsson
Jul 12, 2012·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Niklas KörberBenjamin Stich
Jul 10, 2013·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Yubo ChenJianyi Zhao
Jan 11, 2012·Journal of Experimental Botany·Fabien ChardonCéline Masclaux-Daubresse
Sep 26, 2007·Genome Génome / Conseil National De Recherches Canada·Fu-You FuJia-Na Li
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Nov 16, 2010·Genome Génome / Conseil National De Recherches Canada·Nora HonsdorfWolfgang Ecke
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Oct 11, 2017·Journal of Experimental Botany·Gilles ClémentCéline Masclaux-Daubresse

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