Triticale (x Triticosecale Wittmack) is a relatively new cereal crop. In Poland, triticale is grown on 12 % of arable land (http://www.stat.gov.pl). There is an increasing interest in its cultivation due to lowered production costs and increased adaptation to adverse environmental conditions. However, it has an insufficient tolerance to the presence of aluminum ions (Al3+) in the soil. The number of genes controlling aluminum tolerance in triticale and their chromosomal location is not known.
Avena sativa is an important breeding species in Poland which is due to the presence of proteins, soluble fibers, fat, minerals and vitamins. Nevertheless, the development of breeding programs of Avena is limited to low within species genetic variability. Thus, marker technologies capable of identification of many polymorphic markers is required to ensure further breeding progress. The current study was devoted to the exploitation of the silicoDArT markers, based on new generation sequencing approach, for the differentiation of a number of Avena sativa lines from Polish breeding companies. More than 8000 polymorphic markers were identified that differentiated the analyzed materials according to their origin. Cluster analysis and PCoA demonstrated distinctiveness of the materials from breeding companies, especially from Plant Breeding Strzelce. It is being suggested that crossing cultivars originated from different breeding programs should support progress in this species. Słowa kluczowe: Avena sativa, owies, silicoDArT, zmienność genetyczna.
A set of 90 doubled haploid (DH) lines derived from F1 plants that originated from a cross between xTriticosecale Wittm. ‘Saka3006’ and xTriticosecale Wittm. ‘Modus’, via wide crossing with maize, were used to create a genetic linkage map of triticale. The map has 21 linkage groups assigned to the A, B, and R genomes including 155 simple sequence repeat (SSR), 1385 Diversity Arrays Technology (DArT), and 28 amplified fragment length polymorphism (AFLP) markers covering 2397 cM with a mean distance between two markers of 4.1 cM.