Table 1 Descriptive statistics, variance components, and broad-sense heritability of flowering time-related traits in the BA RIL population
Traits | Environment | B73 Mean ± SD | Abe2 Mean ± SD | Mean ± SD | Range | G | G*E | H2 |
|---|---|---|---|---|---|---|---|---|
DTH | Hainan | 61.82 ± 2.86 | 53.32 ± 1.67 | 57.03 ± 3.01 | 48.13 — 66.38 | 60.74** |  | 62.75% |
|  | Hefei | 69.17 ± 1.33 | 68.50 ± 2.17 | 66.10 ± 4.39 | 56.00 — 78.00 | 89.26** |  | 60.82% |
|  | Combined | 64.41 ± 4.33 | 56.96 ± 6.85 | 61.56 ± 5.89 | 48.13 — 78.00 | 115.05** | 33.77** | 76.20% |
DTS | Hainan | 66.43 ± 1.90 | 59.50 ± 1.15 | 62.46 ± 3.09 | 54.25 — 70.75 | 64.63** |  | 61.85% |
|  | Hefei | 73.00 ± 2.28 | 71.71 ± 1.70 | 71.72 ± 4.54 | 61.25 — 86.00 | 93.73** |  | 59.25% |
|  | Combined | 69.46 ± 3.95 | 62.92 ± 5.74 | 67.08 ± 6.04 | 54.25 — 86.00 | 109.76** | 47.98** | 68.03% |
DTA | Hainan | 64.33 ± 1.80 | 58.89 ± 2.00 | 60.97 ± 2.78 | 53.83 — 69.75 | 51.43** |  | 55.83% |
|  | Hefei | 71.33 ± 1.86 | 70.00 ± 0.76 | 70.14 ± 4.40 | 59.14 — 83.50 | 84.97** |  | 58.08% |
|  | Combined | 67.13 ± 3.96 | 62.19 ± 5.44 | 65.54 ± 5.88 | 53.83 — 83.50 | 96.2** | 42.17** | 67.78% |
LA | Hainan | 5.67 ± 0.52 | 4.50 ± 0.52 | 5.00 ± 0.60 | 3.13 — 6.86 | 2.68** |  | 50.22% |
|  | Hefei | 5.67 ± 0.62 | 4.50 ± 0.63 | 4.66 ± 0.63 | 3.00 — 7.13 | 2.01** |  | 43.96% |
|  | Combined | 5.67 ± 0.58 | 4.50 ± 0.57 | 4.83 ± 0.64 | 3.00 — 7.13 | 3.37** | 0.76** | 79.94% |
LB | Hainan | 6.33 ± 0.82 | 6.94 ± 0.77 | 7.35 ± 0.87 | 4.75 — 10.00 | 5.31** |  | 55.98% |
|  | Hefei | 5.67 ± 0.82 | 7.56 ± 0.81 | 6.56 ± 0.93 | 4.00 — 9.00 | 3.93** |  | 49.73% |
|  | Combined | 5.86 ± 0.85 | 7.25 ± 0.84 | 6.96 ± 0.98 | 4.00 — 10.00 | 6.45** | 2.28** | 71.97% |
TLN | Hainan | 12.00 ± 1.10 | 11.50 ± 0.97 | 12.36 ± 1.13 | 8.25 — 15.38 | 8.96** |  | 57.69% |
|  | Hefei | 11.33 ± 1.11 | 12.06 ± 1.06 | 11.19 ± 1.24 | 5.50 — 14.63 | 6.83** |  | 53.34% |
|  | Combined | 11.52 ± 1.12 | 11.78 ± 1.04 | 11.78 ± 1.32 | 5.50 — 15.38 | 11.01** | 3.55** | 73.98% |