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Updated: May 6, 2026

Lateral Root Inducible System in Arabidopsis and Maize
Published on: January 14, 2016
A linkage map of sugar beet (Beta vulgaris L.)
K Pillen1, G Steinrücken, G Wricke
1Botanical Institute of the Ludwig-Maximilians University Munich, Menzinger Strasse 67, W-8000, Munich 19, Germany.
Abstract:
We have established a first linkage map for beets based on RFLP, isozyme and morphological markers. The population studied consisted of 96 F2 individuals derived from an intraspecific cross. As was expected for outbreeding species, a relatively high degree of polymorphism was found within sugar beet; 47% of the DNA markers were polymorphic for the chosen population. The map consists of 115 independent chromosomal loci designated by 108 genomic DNA probes, 6 isozyme and one morphological marker. The loci cover 789 cM with an average spacing of 6.9 cM. They are dispersed over nine linkage groups corresponding to the haploid chromosome number of Beta species. Eighteen markers (15.4%) showed distorted segregation which, in most instances, can be explained by gametic selection of linked lethal loci. The application of the linkage map in sugar beet breeding is discussed.
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