Research Article
Yield Stability Analysis of Maize (Zea mays L.) Hybrids Using Parametric and AMMI Methods
Table 5
Mean gain yield and 8 estimates of parametric stability measures for maize yield across 4 environments in 2 years.
| | Genotype | Mean | S2Xi | CV | W2 | SH | bi | | Ri2 |
| Year 1 | G1 | 6.33 | 0.34 | 9.33 | 8.32 | 3.23 | −0.06 | 0.51 | 0.02 | G2 | 5.96 | 1.90 | 23.16 | 3.79 | 1.57 | 0.64 | 1.49 | 0.47 | G3 | 5.97 | 1.54 | 20.81 | 1.24 | 0.28 | 0.76 | 0.44 | 0.8 | G4 | 7.01 | 3.81 | 27.48 | 2.18 | 0.67 | 1.21 | 0.93 | 0.83 | G5 | 6.97 | 1.32 | 16.53 | 1.02 | 0.19 | 0.72 | 0.27 | 0.86 | G6 | 6.18 | 1.08 | 16.79 | 1.09 | 0.22 | 0.66 | 0.18 | 0.88 | G7 | 6.95 | 1.42 | 9.31 | 8.04 | 3.11 | −0.02 | 0.62 | 0.003 | G8 | 6.27 | 1.07 | 16.51 | 7.8 | 3.02 | 0.14 | 1.54 | 0.04 | G9 | 6.20 | 0.08 | 14.48 | 1.43 | 0.36 | 0.57 | 0.14 | 0.88 | G10 | 6.32 | 2.85 | 26.7 | 5.86 | 2.21 | 0.7 | 2.65 | 0.37 | G11 | 6.51 | 0.45 | 10.37 | 6.1 | 2.54 | 0.13 | 0.68 | 0.08 | G12 | 6.38 | 1.75 | 20.76 | 2.99 | 1.24 | 0.67 | 2.63 | 0.55 |
| Year 2 | G1 | 6.84 | 3.05 | 25.5 | 6.34 | 2.36 | 0.83 | 3.12 | 0.31 | G2 | 5.74 | 1.23 | 19.3 | 2.65 | 1.1 | 0.62 | 1.04 | 0.43 | G3 | 6.25 | 3.66 | 30.6 | 2.76 | 0.87 | 1.49 | 0.86 | 0.84 | G4 | 5.53 | 1.13 | 19.29 | 7.33 | 2.77 | 0.02 | 1.7 | 0.007 | G5 | 5.85 | 2.98 | 29.5 | 13.59 | 5.38 | −0.06 | 4.47 | 0.001 | G6 | 5.21 | 1.41 | 0.03 | 3.12 | 0.23 | 3.33 | 8.65 | 28.19 | G7 | 6.76 | 0.63 | 0.11 | 0.67 | 0.2 | 1.37 | 3.96 | 10.54 | G8 | 6.14 | −0.13 | 0.003 | 1.21 | 0.04 | 2.3 | 6.19 | 14.66 | G9 | 5.58 | 0.66 | 0.87 | 0.03 | 0.35 | 0.27 | 1.80 | 7.88 | G10 | 4.90 | 0.35 | 0.46 | 0.35 | 0.38 | 0.67 | 2.27 | 13.55 | G11 | 5.35 | 0.38 | 0.34 | 1.75 | 0.54 | 1.32 | 3.18 | 20.22 | G12 | 4.59 | 1.05 | 0.77 | 1.34 | 0.71 | 0.39 | 0.95 | 20.61 |
| Average of two years | G1 | 6.58 | 1.03 | 15.44 | 4.97 | 1.9 | 0.31 | 1.29 | 0.16 | G2 | 5.85 | 0.62 | 13.53 | 1.12 | 0.46 | 0.57 | 0.1 | 0.89 | G3 | 6.11 | 2.06 | 23.52 | 0.67 | 0.11 | 1.04 | 0.33 | 0.89 | G4 | 6.31 | 1.29 | 17.99 | 2.29 | 0.79 | 0.65 | 0.84 | 0.56 | G5 | 6.41 | 1.29 | 17.74 | 4.46 | 1.69 | 0.44 | 1.44 | 0.25 | G6 | 6.7 | 1.01 | 17.65 | 3.02 | 1.09 | 0.5 | 0.88 | 0.41 | G7 | 6.86 | 0.24 | 7.18 | 4.42 | 1.67 | 0.13 | 0.31 | 0.13 | G8 | 6.21 | 0.46 | 10.97 | 5.7 | 2.22 | 0.07 | 0.68 | 0.01 | G9 | 5.89 | 0.44 | 11.33 | 1.48 | 0.45 | 0.48 | 0.07 | 0.89 | G10 | 5.61 | 0.85 | 16.43 | 2.68 | 0.95 | 0.48 | 0.67 | 0.47 | G11 | 5.93 | 0.41 | 10.82 | 3.07 | 1.28 | 0.31 | 0.61 | 0.41 | G12 | 5.48 | 0.83 | 16.6 | 1.17 | 0.49 | 0.62 | 1.24 | 0.8 |
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G1: KSC703; G2: KSC260; G3: KSC705; G4: KSC400; G5: KSC706; G6: KSC704; G7: KSC707; G8: DC370; G9: SC647; G10: SC302; G11: SC604; G12: SC301.
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