Andreas Börner

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A set of 114 recombinant inbred lines of the 'International Triticeae Mapping Initiative' mapping population was grown during the seasons 1997, 1998, 1999 and 2000 under several environments. Twenty morphological (glume colour, awn colour, waxiness, leaf erectness, peduncle length), agronomical (ear emergence time, flowering time, grain filling time, ear(More)
The potential of microsatellite sequences as genetic markers in hexaploid wheat (Triticum aestivum) was investigated with respect to their abundance, variability, chromosomal location and usefulness in related species. By screening a lambda phage library, the total number of (GA)n blocks was estimated to be 3.6 x 104 and the number of (GT)n blocks to be 2.3(More)
A set of 24 wheat microsatellite markers, representing at least one marker from each chromosome, was used for the assessment of genetic diversity in 998 accessions of hexaploid bread wheat (Triticum aestivum L.) which originated from 68 countries of five continents. A total of 470 alleles were detected with an average allele number of 18.1 per locus. The(More)
Association-based trait mapping is an innovative methodology based on linkage disequilibrium. Studies in plants, especially in cereals, are rare. A genome-wide association study of wheat is reported, in which a large number of diversity array technology markers was used to genotype a winter wheat core collection of 96 accessions. The germplasm was(More)
Among the cereals, rye (Secale cereale L.) can be grown under extreme climatic and poor soil conditions and, is a major crop in North Europe. In the present paper, we report the development of a genetic linkage map of rye using a pooled F2 mapping population created from a reciprocal cross of two self-fertile inbred lines. The 183 mapped markers consist 139(More)
Photoperiod response genes play a major role in determining the climatic adaptability of European wheat varieties. Photoperiod insensitivity, in the vast majority of photoperiod insensitive European wheat varieties, is probably determined by a Ppd1 allele originally derived from the old Japanese variety Akakomugi. Analysis of the pleiotropic effects of a(More)
The genetic map of rye contains predominantly restriction fragment length polymorphism (RFLP) markers but also a limited number of microsatellite markers, which are known to be more reliable and easier to apply. We report here the saturation of the genomic map of rye with additional microsatellite-derived markers that we obtained from the rye expressed(More)
The improvement of lodging resistance by introducing major dwarfing genes, classified either as GA insensitive or GA sensitive, is one of the main strategies chosen by cereal breeders. In the present paper the current knowledge about the genetics, chromosomal localisation and the homoeoallelic relationships of the dwarfing genes in wheat and rye is(More)
The genetic diversity of a subset of the Ethiopian genebank collection maintained at the IPK Gatersleben was investigated applying 22 wheat microsatellites (WMS). The material consisted of 135 accessions belonging to the species T. aestivum L. (69 accessions), T. aethiopicum Jacubz. (54 accessions) and T. durum Desf. (12 accessions), obtained from different(More)
Twenty-four wheat microsatellites (WMS) wereused to estimate the extent of genetic diversity among 15 Libyanwheat genotypes. The WMS used determined 26 loci located on 20different chromosomes, and were capable of detecting 116 alleles withan average of 4.5 alleles per locus. Only two markers located on 2DSand 4DL, were monomorphic. The results indicated(More)