Fig. 2. Box-plot of the Cateto Sulino race R6, group G3, group G6, the individuals that share Cateto Sulino race and group G3 (G3CAT) and the individuals that share Cateto Sulino race and group G6 (G6CAT) for the continuous variables: grain width (GWI); grain length (GLE), and days to silking (DS).