Fig. 1From: Genome-wide association analysis on pre-harvest sprouting resistance and grain color in U.S. winter wheatFrequency distribution of grain color (GC) scores evaluated using a 1 to 4 scale (white, light red, red and dark red) in the association mapping population. The seeds were harvested from the Manhattan 2011 greenhouse (2011MH) experiment and the Enid 2010 field (2010 ENID) experimentBack to article page