Positions are estimated based on linkage information present in the Barley Genetic Stocks descriptions for barley genes.
These maps are designed to provide estimates of gene positions so that potential users have some information with which to develop experiments. Thus changes will occur frequently as more information accumulates. The maps developed by Jens Jensen are much more precise in terms of placing loci in the chromosomes and should be given priority when conflicts in marker positions arise.
Loci not highlighted in yellow on the maps were positioned with less precision.