Selection Index in the Study of Adaptability and Stability in Maize
Figure 3
GGE biplot graph, evaluating grain yield (t ), with the grouping of the six locations (Vacaria, RS; Abelardo Luz, SC; Candoi, PR; Canoinhas, SC; Castro, PR; and Ponta Grossa, PR), identified from E1 to E6, respectively, the gray line represents the polygon formed by genotypes evaluated.