Table 1.
Genetic merit (mean and 95 % quantiles over scenarios and replicates*) in the final stage of discovery and improvement phase with the Landrace approach, high diversity of the founding population (N e = 100,000), and high diversity within landrace accessions (F = 0.3) by the levels of different factors
| Level | Discovery phase | Improvement phase |
|---|---|---|
| Heritability | ||
| 0.25 | 0.033 (0.012, 0.056)a | 0.098 (−0.005, 0.200)a |
| 0.50 | 0.045 (0.020, 0.072)b | 0.130 ( 0.014, 0.232)b |
| Genotyping platform | ||
| GBS10x@10K | 0.029 (0.011, 0.049)a | 0.098 (−0.014, 0.210)a |
| GBS1x@100K | 0.050 (0.030, 0.072)b | 0.130 ( 0.031, 0.232)b |
| Number of phenotyped seeds per landrace | ||
| 1 | 0.035 (0.013, 0.061)a | 0.109 (−0.008, 0.219)a |
| 3 | 0.040 (0.014, 0.069)b | 0.116 ( 0.008, 0.223)b |
| 5 | 0.042 (0.017, 0.071)c | 0.117 ( 0.009, 0.224)b |
| Number of selected landraces | ||
| 40 | 0.042 (0.016, 0.072)a | 0.115 ( 0.003, 0.220)a |
| 80 | 0.036 (0.013, 0.063)b | 0.113 ( 0.001, 0.226)a |
| Number of tested seeds per selected landrace | ||
| 10 | 0.038 (0.014, 0.066)a | 0.113 (−0.004, 0.228)a |
| 20 | 0.040 (0.014, 0.068)b | 0.114 ( 0.000, 0.218)a |
| 40 | 0.041 (0.015, 0.070)c | 0.114 ( 0.009, 0.222)a |
| Number of phenotyped synthetic seeds | ||
| 0 | / | 0.069 (−0.020, 0.166)a |
| 20 | / | 0.116 ( 0.016, 0.213)b |
| 40 | / | 0.131 ( 0.036, 0.229)c |
| 60 | / | 0.139 ( 0.038, 0.244)d |
*Means with different letter within a column and a factor are different at p < 0.01