Table 6.
Factor analysis with loadings, selection differential (SD), broad-sense heritability (h2) and predicted selection gain (SG) based on the MGIDI index for 11 selected sweet potato genotypes.
| Traits | Factor | Factor loadings | SD | h2 | Uniqueness | SG (%) | Sense | Goal |
|---|---|---|---|---|---|---|---|---|
| FW | FA4 | 0.92 | 15 | 0.976 | 0.15 | 14.3 | increase | 100 |
| RN | FA5 | 0.48 | 7.97 | 0.981 | 0.23 | 7.71 | increase | 100 |
| RW | FA1 | −0.74 | 1.89 | 0.979 | 0.24 | 1.92 | increase | 100 |
| MRN | FA2 | 0.84 | 6.34 | 0.98 | 0.26 | 5.92 | increase | 100 |
| MRW | FA1 | −0.77 | 17.1 | 0.981 | 0.22 | 16.4 | increase | 100 |
| RL | FA5 | −0.84 | −2.02 | 0.983 | 0.21 | −1.92 | increase | 0 |
| RD | FA2 | 0.53 | 4.12 | 0.981 | 0.66 | 4.01 | increase | 100 |
| DW | FA3 | 0.88 | 21.1 | 0.98 | 0.18 | 20.4 | increase | 100 |
| Mean | – | – | – | 0.27 | – | – | – |