Table 1.
Phenotypic variation for five traits in alfalfa in four environments.
| Traits | E | Min | Max | Mean /± SD | H2 | G | E | G × E |
|---|---|---|---|---|---|---|---|---|
| ADF (DM %) | 13HS | 25.3 | 41.9 | 33.63±2.85 | 73.6 | *** | *** | *** |
| 14HS | 21.3 | 42.9 | 33.00±3.32 | |||||
| 15HS | 20.6 | 40.1 | 31.80±2.85 | |||||
| 14CP | 22.8 | 39.0 | 31.22±2.69 | |||||
| NDF (DM %) | 13HS | 31.5 | 53.1 | 42.89±3.60 | 74.6 | *** | *** | *** |
| 14HS | 25.1 | 50.6 | 38.74±3.82 | |||||
| 15HS | 25.5 | 45.6 | 36.72±3.24 | |||||
| 14CP | 28.4 | 46.8 | 38.11±3.10 | |||||
| NDFD 30 h (NDF %) | 13HS | 12.3 | 21.8 | 16.68±1.46 | 63 | *** | *** | *** |
| 14HS | 20.4 | 26.8 | 23.81±0.98 | |||||
| 15HS | 18.8 | 24.3 | 21.96±1.04 | |||||
| 14CP | 19.6 | 25.1 | 22.62±1.07 | |||||
| NDFD 48 h (NDF %) | 13HS | 11.0 | 20.2 | 16.11±1.46 | 76 | *** | *** | *** |
| 14HS | 11.3 | 22.0 | 17.55±1.57 | |||||
| 15HS | 12.5 | 22.4 | 17.23±1.40 | |||||
| 14CP | 11.5 | 19.9 | 15.47±1.21 | |||||
| ADL (DM %) | 13HS | 5.11 | 8.66 | 6.56±0.70 | 45.1 | *** | *** | *** |
| 14HS | 2.70 | 5.64 | 4.46±0.47 | |||||
| 15HS | 3.27 | 6.10 | 5.00±0.38 | |||||
| 14CP | 2.88 | 5.44 | 4.26±0.44 |
E, environment; Min, minimum; Max, maximum; SD, standard deviation; G, genotype; H2, Broad-sense heritability.
Abbreviations of traits and E are explained in Materials and Methods.
***
Significant at P < 0.001.