The introgression of novel genes from progenitors and related species has
been widely employed to improve the agronomic characteristics of hexaploid wheat. More...
The introgression of novel genes from progenitors and related species has
been widely employed to improve the agronomic characteristics of hexaploid wheat. This
approach, however, has been hampered by the lack of markers that can be used to track
introduced chromosome segments. Here, we describe the identification of a large number of
single nucleotide polymorphism-based markers that can be used to genotype hexaploid wheat
and to identify and track introgression from a variety of sources representing its secondary and
tertiary gene pools. We have validated our markers using a high density Axiom® genotyping
array. Use of the ultra-high density platform to genotype a range of diploid, tetraploid and
hexaploid wheat lines and wheat relatives has confirmed the utility of the markers across a
range of species. Less...