Table 3.
Estimates of percentage gains obtained by simultaneous selection with application of four indices based on four criteria of economic weights for seven traits evaluated in 10 populations of Fragaria × ananassa Dusch.
| Traits | Smith and Hazel | Mulamba and Mock | ||||||
|---|---|---|---|---|---|---|---|---|
| GV % | h2% | GCV % | EW % | GV % | h2% | GCV % | EW % | |
| MCF | 162.5 | 162.5 | 162.5 | 162.5 | 163.5 | 142.5 | 151.9 | 162.7 |
| AMCF | 13.4 | 13.4 | 13.4 | 13.4 | 14.5 | 11.7 | 10.9 | 14.6 |
| NCF | 154.3 | 154.25 | 154.3 | 154.3 | 142.9 | 128.0 | 139.5 | 141.7 |
| Total for yield traits | 330.1 | 330.1 | 330.1 | 330.1 | 320.9 | 282.2 | 302.3 | 319.1 |
| Ratio | 26.9 | 26.9 | 26.9 | 26.9 | 25.9 | 28.6 | 28.8 | 27.8 |
| TP | 1.1 | 1.1 | 1.1 | 1.1 | 4.8 | 19.5 | 18.7 | 5.3 |
| AA | 11.5 | 11.5 | 11.5 | 11.5 | 10.9 | 12.0 | 10.2 | 11.5 |
| ANT | 16.8 | 16.8 | 16.8 | 16.8 | 17.2 | 26.3 | 23.4 | 20.0 |
| Total for biochemical traits | 56.4 | 56.4 | 56.4 | 56.4 | 58.9 | 86.3 | 81.1 | 64.5 |
| Total | 386.5 | 386.5 | 386.5 | 386.5 | 379.8 | 368.6 | 383.4 | 383.6 |
| Traits | Williams | Genotype-ideotype | ||||||
|---|---|---|---|---|---|---|---|---|
| GV | h2 | GCV | EW | GV | h2 | GCV | EW | |
| MCF | 163.5 | 163.4 | 163.5 | 163.5 | 155.4 | 150.1 | 154.4 | 154.6 |
| AMCF | 14.5 | 13.8 | 14.3 | 14.3 | 13.9 | 11.2 | 9.7 | 14.0 |
| NCF | 142.9 | 144.9 | 143.8 | 143.8 | 137.4 | 137.1 | 145.0 | 136.2 |
| Total of yield traits | 320.9 | 322.0 | 321.5 | 321.5 | 306.6 | 298.4 | 309.0 | 304.8 |
| Ratio | 25.9 | 25.6 | 26.7 | 26.7 | 27.4 | 28.5 | 28.3 | 29.3 |
| TP | 4.8 | 2.9 | 3.0 | 3.0 | 5.6 | 13.7 | 11.6 | 6.0 |
| AA | 10.9 | 12.1 | 12.0 | 12.0 | 10.4 | 12.0 | 12.4 | 11.1 |
| ANT | 17.2 | 17.5 | 16.1 | 16.1 | 16.7 | 25.2 | 22.6 | 19.4 |
| Total of biochemical traits | 58.9 | 58.1 | 57.7 | 57.7 | 60.1 | 79.4 | 74.9 | 65.8 |
| Total | 379.8 | 380.1 | 379.3 | 379.3 | 366.7 | 377.8 | 383.9 | 370.5 |
MCF mass of commercial fruits (g plant−1), AMCF average mass of commercial fruits (g fruit−1), NCF number of commercial fruits (fruits plant−1), Ratio, soluble solids (Brix°)/titratable acidity (g citric acid 100 g−1 pulp); TP total pectin (g total pectin 100 g−1 pulp), AA ascorbic acid (mg ascorbic acid 100 g−1 pulp), and ANT anthocyanins (mg cyanidin-3-glucoside 100 g−1 pulp). GV genotypic variance, h2 herdability, GCV genetic coefficient variation and EW economic weight assigned by the breeder.