Table 3.
Eigenvalues, explained variance, cumulative variance, and final loadings of factors retained after superposition by exploratory factor analysis.
| Traits | Optimal | Managed Drought | Managed Waterlogging | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| FA1 | FA2 | FA3 | FA1 | FA2 | FA3 | FA4 | FA1 | FA2 | FA3 | FA4 | |
| D50A | 0.14 | −0.88 | 0.11 | 0.11 | 0.98 | −0.04 | 0.15 | −0.30 | 0.67 | −0.19 | 0.38 |
| D50S | 0.07 | −0.95 | −0.03 | −0.34 | 0.78 | −0.10 | −0.17 | −0.32 | 0.38 | −0.13 | 0.83 |
| ASI | −0.23 | −0.52 | −0.44 | −0.48 | −0.59 | −0.06 | −0.38 | −0.10 | −0.33 | 0.07 | 0.82 |
| PH | −0.82 | 0.16 | 0.20 | −0.23 | −0.19 | 0.12 | −0.81 | −0.12 | −0.83 | −0.14 | 0.05 |
| EH | −0.76 | 0.35 | 0.10 | −0.07 | 0.02 | −0.02 | −0.92 | −0.17 | −0.77 | −0.18 | 0.14 |
| SPAD | −0.59 | −0.20 | 0.45 | −0.34 | 0.07 | −0.17 | −0.36 | −0.65 | −0.19 | −0.48 | 0.21 |
| TW | −0.23 | −0.52 | 0.33 | −0.44 | 0.25 | 0.44 | 0.31 | −0.77 | 0.25 | −0.04 | 0.19 |
| EL | −0.71 | −0.22 | 0.05 | −0.79 | −0.03 | 0.12 | −0.06 | −0.86 | −0.14 | 0.15 | −0.03 |
| EG | −0.22 | −0.06 | 0.78 | −0.18 | 0.09 | −0.73 | 0.10 | 0.01 | −0.22 | −0.83 | 0.15 |
| KRE | −0.31 | −0.01 | 0.82 | −0.08 | 0.03 | −0.81 | −0.04 | −0.16 | 0.03 | −0.87 | −0.13 |
| KNR | −0.83 | −0.04 | 0.24 | −0.74 | 0.01 | −0.31 | −0.28 | −0.67 | −0.46 | −0.17 | 0.12 |
| GY | −0.70 | −0.29 | 0.53 | −0.81 | 0.03 | −0.31 | −0.20 | −0.75 | −0.02 | −0.37 | 0.35 |
| Eigenvalues | 4.54 | 2.51 | 1.21 | 3.47 | 2.21 | 1.43 | 1.25 | 4.16 | 2.40 | 1.47 | 1.14 |
| Variance (%) | 37.83 | 20.93 | 10.10 | 28.90 | 18.38 | 11.94 | 10.39 | 34.64 | 20.02 | 12.26 | 9.52 |
| Accumulated (%) | 37.83 | 58.77 | 68.86 | 28.90 | 47.28 | 59.22 | 69.61 | 34.64 | 54.66 | 66.92 | 76.43 |
D50A, days to 50% anthesis; D50S, days to 50% silking; ASI, anthesis–silking interval; PH, plant height; EH, ear height; SPAD, chlorophyll content; EL, ear length; EG, ear girth; KRE, number of kernel rows per ear; KNR, number of kernels per a row; TW, test weight and GY, grain yield.