TABLE 2.
Within-experiment broad-sense heritabilities (H2) and cross-environment genetic correlations (r)a
| Trait | Plant line | H2 (expts 1 or 2) | H2 (expts 3 or 4) | R | Crossing (%) |
|---|---|---|---|---|---|
| DZA | Expt 1 | Expt 3 | |||
| Shoot biomass | 0.248***b | 0.253*** | 0.265*** | 87.19 | |
| Chlorophyll | 0.118** | 0.141*** | 0.297*** | 99.06 | |
| Plant ht | 0.131** | 0.065* | 0.175* | 99.97 | |
| Leaves | 0.05 | 0.084** | −0.071 | 63.96 | |
| A17 | Expt 2 | Expt 4 | |||
| Shoot biomass | 0.303*** | 0.262*** | 0.221** | 99.83 | |
| Chlorophyll | 0 | 0.093** | 0.201** | 0 | |
| Plant ht | 0.181*** | 0.173*** | 0.1 | 73.37 | |
| Leaves | 0.173*** | 0.127*** | 0.173* | 94.13 |
a
G × E interactions were partitioned into changes in variance versus rank order (i.e., crossing), and the percent due to crossing is presented. Experiments (expts) 1 and 3 for DZA, 2 and 4 for A17.
b
***, P < 0.001; **, P < 0.01; *, P < 0.05.