Table 1.
Factor analysis for selection gain (%), broad-sense heritability, initial selection sense and selection goal status for selected variety using nine sweet potato traits achieved through the indexing of MTSI.
| Variables | Factor | Broad sense heritability | Selection gain (%) | Sense | Goal |
|---|---|---|---|---|---|
| MRN | FA1 | 0.344 | 2.17 | increase | 100 |
| MRY | 0.415 | 4.58 | increase | 100 | |
| ARN | 0.142 | 0.336 | increase | 100 | |
| ARW | 0 | 0 | increase | 100 | |
| ARD | FA2 | 0.934 | 15.3 | increase | 100 |
| NMRY | 0.872 | −42.8 | decrease | 100 | |
| VL | FA3 | 0.541 | −1.78 | increase | 0 |
| ARL | 0.878 | 11.3 | increase | 100 | |
| DW | 0.967 | −7.88 | increase | 0 |
VL, Mean vine length (cm); ARL, storage root length (cm) ; ARD, storage root diameter (cm) ARN, average storage roots per plant; ARW, average storage roots weight per plant (kg) MRN, mmarketable storage root number per plant; MRY, marketable storage root yield (t/ha); NMRW, non-marketable storage root yield (t/ha); DW, dry matter content (%).