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PMID: 24169985 Published · ppublish English Journal Article

Mapping the genome of rapeseed (Brassica napus L.). II. Localization of genes controlling erucic acid synthesis and seed oil content.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik ·Vol. 91 ·No. 6-7 ·1995-11-00 ·Pages 972-7

Ecke W, Uzunova M, Weißleder K

Abstract

A F1 microspore-derived DH population, previously used for the development of a rapeseed RFLP map, was analysed for the distribution of erucic acid and seed oil content. A clear three-class segregation for erucic acid content could be observed and the two erucic acid genes of rapeseed were mapped to two different linkage groups on the RFLP map. Although the parents of the segregating DH population showed no significant difference in seed oil content, in the DH population a transgressive segregation in oil content was observed. The segregation closely followed a normal distribution, characteristic of a quantitative trait. Using the program MAPMAKER/QTL, three QTLs for seed oil content could be mapped on three different linkage groups. The additive effects of these QTLs explain about 51% of the phenotypic variation observed for this trait in the DH population. Two of the QTLs for oil content showed a close association in location to the two erucic acid genes, indicating a direct effect of the erucic acid genes on oil content.

Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Ecke W
Institute of Agronomy and Plant Breeding, University of Göttingen, Von-Siebold-Strasse 8, D-37075, Göttingen, Germany.
Uzunova M
Weißleder K
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Article Info
Journal
TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Abbr.
Theor Appl Genet
ISSN
0040-5752
DOI
10.1007/BF00223908
Published
1995-11-00
Pages
972-7
Language
English
Region
Germany
NLM ID
0145600
External Links
PubMed source DOI: 10.1007/BF00223908 View journal details
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