Table 2 Simulative selection of salt, alkali, and salt–alkali stress tolerant individuals of apple rootstocks by genomics-assisted prediction in an F1 population derived from Malus robusta Rehd. ‘Baleng Crab’ × M. pumila Mill. ‘M9’
Trait | GPV criterion | Number of selections | Selection rate | GPV | Number of selections (OPV ≤ GPV) | Efficiency |
|---|---|---|---|---|---|---|
Salt injury index | ≤0.10 | 24 | 8.42% | 0.06 | 13 | 54.17% |
≤0.20 | 48 | 16.84% | 0.11 | 28 | 58.33% | |
≤0.30 | 74 | 25.96% | 0.16 | 35 | 47.30% | |
≤0.40 | 106 | 37.19% | 0.21 | 41 | 38.68% | |
≤0.50 | 139 | 48.77% | 0.27 | 45 | 32.37% | |
Alkali injury index | ≤0.10 | 23 | 7.69% | 0.05 | 13 | 56.52% |
≤0.20 | 54 | 18.06% | 0.1 | 22 | 40.74% | |
≤0.30 | 102 | 34.11% | 0.17 | 33 | 32.35% | |
≤0.40 | 138 | 46.15% | 0.22 | 39 | 28.26% | |
≤0.50 | 174 | 58.19% | 0.27 | 42 | 24.14% | |
Salt-alkali injury index | ≤0.12 | 0 | 0.00% | 0 | 0 | 0.00% |
≤0.22 | 0 | 0.00% | 0 | 0 | 0.00% | |
≤0.32 | 83 | 42.78% | 0.4142 | 26 | 31.33% | |
≤0.42 | 83 | 42.78% | 0.4142 | 26 | 31.33% | |
≤0.52 | 83 | 42.78% | 0.4142 | 26 | 31.33% |