Table 4 Mean performance of genotype across environments, ranking of stability by AMMI stability value (ASV) and genotype selection index (GSI)
From: Grain yield performance of spring maize under different agroecological zones
Genotype | E1 | E2 | E3 | E4 | E5 | E6 | Mean across env | Rank (A) | ASV | Rank (B) | GSI (A + B) |
|---|---|---|---|---|---|---|---|---|---|---|---|
G1 | 9.52 | 6.99 | 11.70 | 8.20 | 8.11 | 11.70 | 9.37 | 1.00 | 1.95 | 9.00 | 10.00 |
G2 | 5.85 | 6.06 | 6.38 | 5.11 | 4.64 | 6.58 | 5.77 | 7.00 | 0.47 | 3.00 | 10.00 |
G3 | 8.26 | 8.86 | 8.10 | 9.58 | 9.41 | 8.52 | 8.79 | 3.00 | 1.30 | 6.00 | 9.00 |
G4 | 8.12 | 7.78 | 8.75 | 8.30 | 8.09 | 9.00 | 8.34 | 4.00 | 0.44 | 2.00 | 6.00 |
G5 | 6.16 | 5.88 | 7.04 | 5.08 | 4.63 | 7.17 | 5.99 | 6.00 | 0.61 | 4.00 | 10.00 |
G6 | 8.74 | 8.77 | 8.97 | 9.76 | 9.64 | 9.33 | 9.20 | 2.00 | 1.75 | 7.00 | 9.00 |
G7 | 6.76 | 6.55 | 7.49 | 6.17 | 5.80 | 7.67 | 6.74 | 5.00 | 0.35 | 1.00 | 6.00 |
G8 | 4.10 | 6.10 | 3.43 | 4.17 | 3.52 | 3.82 | 4.19 | 9.00 | 1.81 | 8.00 | 17.00 |
G9 | 5.93 | 5.47 | 6.99 | 4.49 | 4.01 | 7.07 | 5.66 | 8.00 | 1.06 | 5.00 | 13.00 |
Mean | 7.05 | 6.94 | 7.65 | 6.76 | 6.43 | 7.87 | 7.12 | – | – | – | – |