Fig. 1

Location, size and founder effects of QTL for grain dormancy. Both panels show the environments on the vertical axis (1, glasshouse 2009 dark; 2, glasshouse 2009 light; 3, field 2009 dark; 4, field 2009 light; and 5, field 2010 dark), and genetic distance on the horizontal axis. Chromosomes are arranged linearly representing the entire genetic map, with 0 cM on the left for each chromosome. Background shading highlights boundaries between chromosomes and identifies genomes A, B and D going from darkest to lightest, respectively. a Dot size represents the percentage genetic variance explained for each QTL, and color intensity represents the statistical significance. Both size and color scales are log transformed to enable visualization of small effect QTL. b Founder contributions for each QTL. Each subpanel represents one of the four population parents. Dot size represents the likelihood of inheritance from that parent, color represents the direction of the allele effect on dormancy (yellow more dormant, green less dormant) and color intensity represents the size of the allele effect. The arrow and the vertical dotted line indicate the position of the QTL 4A-1