Table 5.
Mean values (and coefficient of variance between brackets) across sites and years for thermal time emergence-flowering (GDDEF) and flowering-maturity (GDDFM), maximum (TmaxF) and minimum temperature around flowering (TminF), yield components and yield for each Ppd-A1 and Ppd-B1 allele.
| Gene | Alleles | GDDEF (°C) | GDDFM (°C) | TmaxF (°C) | TminF (°C) | Grains m-2 | Thousand kernel weight (g) | Grain yield (g m-2) |
|---|---|---|---|---|---|---|---|---|
| Ppd-A1 | ||||||||
| Ppd-A1b | 1324 (6.6) a | 781 (3.4) a | 25.5 (1.8) a | 9.1 (1.0) b | 13903 (2.7) a | 41.0 (14.9) a | 535 (8.9) a | |
| GS105 | 1225 (5.5) ab | 782 (4.3) a | 24.9 (2.2) ab | 9.1 (3.6) ab | 14493 (17.0) a | 40.8 (17.6) a | 545 (7.5) a | |
| GS100 | 1168 (5.3) b | 788 (6.4) a | 24.6 (1.4) b | 9.6 (4.8) a | 13991 (16.6) a | 45.6 (15.5) a | 600 (12.8) a | |
| Ppd-B1 | ||||||||
| Ppd-B1b | 1287 (7.2) a | 782 (2.6) a | 25.3 (2.3) a | 9.3 (4.3) a | 15529 (15.6) a | 38.0 (16.6) b | 549 (10.3) a | |
| Ppd-B1a | 1243 (7.6) a | 783 (4.8) a | 25.0 (2.3) a | 9.4 (4.8) a | 13299 (11.5) b | 43.8 (13.5) a | 547 (8.9) a |
TmaxF: mean of the maximum temperatures of 5 days before and after flowering.
TminF: mean of the minimum temperatures of 5 days before and after flowering.
Different letters between alleles at each gene indicate differences according to LSD test at P < 0.05.
The number of genotypes carrying each allele is shown in Table 2.