Table 7.
Genetic parameters for 13 quantitative traits in 345 sorghum genotypes assessed across two locations in Uganda.
| Trait | Mean | PV | GV | EV | GCV | PCV | ECV | H2 | GA | GA% |
|---|---|---|---|---|---|---|---|---|---|---|
| SF | 4.4 | 0.7 | 0.3 | 0.5 | 25.7 | 42.2 | 33.5 | 37.0 | 0.7 | 32.2 |
| SB | 23.6 | 1.6 | 0.5 | 1.1 | 15.2 | 27.4 | 22.8 | 30.7 | 0.8 | 17.4 |
| PHT | 256.6 | 4577.7 | 4531.0 | 46.7 | 26.3 | 26.4 | 2.7 | 99.0 | 138.2 | 53.9 |
| PNL | 23.7 | 46.1 | 44.4 | 1.7 | 27.7 | 28.3 | 5.4 | 96.4 | 13.5 | 56.2 |
| PNW | 5.8 | 1.1 | 0.8 | 0.3 | 15.5 | 18.1 | 9.5 | 72.8 | 1.6 | 27.2 |
| RNM | 52 | 178.0 | 153.3 | 24.7 | 24.4 | 26.3 | 9.8 | 86.1 | 23.7 | 46.7 |
| DTF | 80.3 | 184.4 | 181.0 | 3.4 | 16.7 | 16.8 | 2.3 | 98.1 | 27.5 | 34.1 |
| GRF | 39.7 | 20.0 | 15.6 | 4.4 | 10.1 | 11.5 | 5.4 | 77.9 | 7.2 | 18.5 |
| DTM | 120.1 | 185.3 | 183.5 | 1.8 | 11.3 | 11.4 | 1.1 | 99.0 | 27.8 | 23.2 |
| YLD | 2909.3 | 925968.9 | 708783.5 | 217185.4 | 28.6 | 32.7 | 15.8 | 76.6 | 1519.6 | 51.6 |
| HSW | 2.1 | 0.4 | 0.3 | 0.1 | 24.4 | 27.7 | 13.1 | 77.6 | 1.0 | 44.3 |
| Fe | 37.5 | 69.6 | 37 | 32.6 | 16.2 | 22.2 | 15.2 | 53.1 | 9.1 | 24.4 |
| Zn | 18 | 18 | 11.5 | 6.5 | 18.8 | 23.6 | 14.2 | 63.7 | 5.6 | 31 |
aSF = Shoot fly count (%); SB = Stem borer count (%); PHT = Plant height (cm); PNL = Panicle length (cm); PNW = Panicle width (cm); RNM = Rachis number; DTF = Days to 50% flowering (days); GRF = Grain filling duration (days); DTM = Days to 75% maturity (days); YLD = Grain Yield (kg/ha); HSW = 100 seed weight (g); Fe = Iron (ppm); Zn = Zinc (ppm); PV = Phenotypic variance; GV = Genotypic variance; EV = Environmental variance; GCV = Genotypic coefficient of variation; PCV = Phenotypic coefficient of variation; ECV = Environment coefficient of variation; H2 = Broad-sense heritability; GA = Genetic advance; and GA% = Predicted genetic advance as percent of the mean.