Table 4.
Estimation of local maize characteristics from several accessions due to PEG concentrations.
| Characteristics | σ2g | σ2p | GCV (%) | PCV (%) | h2 (%) |
|---|---|---|---|---|---|
| Germination | |||||
| Germinated seeds | 97.02 | 143.27 | 121.14 | 147.21 | 67.72 (H) |
| Germination percent | 896.79 | 1159.21 | 53.39 | 60.70 | 77.36 (H) |
| Vigor index | 323.50 | 374.49 | 77.68 | 83.58 | 86.38 (H) |
| Root length | 25.48 | 39.17 | 28.11 | 34.85 | 65.05 (H) |
| Shoot length | 73.15 | 85.12 | 38.81 | 41.86 | 85.94 (H) |
| Root: shoot ratio | 0.14 | 0.20 | 43.52 | 52.47 | 68.79 (H) |
| Root fresh weight | 1526.79 | 1619.97 | 58.50 | 60.26 | 94.25 (H) |
| Shoot fresh weight | 179.73 | 247.05 | 46.57 | 54.60 | 72.75 (H) |
| Root dry weight | 52.30 | 74.66 | 40.76 | 48.69 | 70.06 (H) |
| Shoot dry weight | 28.90 | 39.51 | 66.59 | 77.86 | 73.15 (H) |
| Water content in the root | 229.07 | 346.94 | 21.08 | 25.95 | 66.02 (H) |
| Water content in the shoot | 346.08 | 559.96 | 26.44 | 33.63 | 61.80 (H) |
| Histological | |||||
| Root epidermis | 724.33 | 758.07 | 87.52 | 89.54 | 95.55 (H) |
| Cortex | 23404.23 | 24274.47 | 61.29 | 62.42 | 96.41 (H) |
| Stele | 50228.54 | 57086.04 | 44.69 | 47.65 | 87.99 (H) |
Note: heritability criteria (low <20%; moderate = 20–50%; high >50%). Genotypic variance (σ2g); phenotypic variance (σ2p); GCV = genotypic coefficient variance; PCV = phenotypic coefficient variance; h2 = heritability.