Research Article

Selection Index in the Study of Adaptability and Stability in Maize

Figure 1

GGE biplot graph, evaluating the GIDI, 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, with the groups of environments being identified by the Roman numerals I and II; the gray line represents the polygon formed by genotypes evaluated.
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