Table 2.
QTLs identified for spikelet fertility under high temperature
| Population | Locus name | Chr. | Position (interval) (cM) | LOD | Additive effect | Dominance effect | R2 (%) | Tolerant allele |
|---|---|---|---|---|---|---|---|---|
| qHTSF1.2 | 1 | 120.5 (103.5-129.5)* | 2.94 | 16.8 | −18.0 | 14.6 | Giza178 | |
| I/G | qHTSF2.1 | 2 | 13.8 (4.8-19.8) | 4.58 | 5.2 | −29.3 | 21.8 | Giza178 |
| qHTSF3.1 | 3 | 9.5 (1.5-17.5) | 3.54 | −9.7 | −14.2 | 17.3 | IR64 | |
| qHTSF4.1 | 4 | 68.5 (63.5-80.5)* | 4.06 | 16.5 | −14.0 | 19.5 | Giza178 | |
| M/G | qHTSF6.1 | 6 | 46.5 (27.5-59.5)* | 4.81 | 17.2 | −0.3 | 20.6 | Giza178 |
| qHTSF11.2 | 11 | 33.3 (25.3-42.3) | 3.43 | 14.2 | 23.0 | 15.2 | Giza178 | |
| qHTSF1.2 | 1 | 89.0 (80.0-109.0)* | 5.16 | 4.1 | −14.6 | 13.3 | Giza178 | |
| qHTSF2.2 | 2 | 61.0 (43.0-63.0) | 4.80 | 10.4 | 5.9 | 12.5 | Giza178 | |
| I//M/G | qHTSF4.1 | 4 | 66.0 (66.0-73.0)* | 5.00 | 11.7 | −16.0 | 13.0 | MY23 or Giza178 |
| qHTSF6.1 | 6 | 29.5 (24.5-31.5)* | 4.45 | 6.7 | −9.8 | 11.6 | Giza178 | |
| qHTSF11.3 | 11 | 14.6 (11.6-14.6) | 5.38 | 8.3 | −8.7 | 13.9 | Giza178 |
*QTL intervals were overlapped.
#Population I/G = IR64/Giza178, M/G = Milyang23/Giza178, I//M/G = IR64//Milyang23/Giza178. Permutation α0.05 is 3.64, 3.52 and 3.86 for population I/G, M/G and I//M/G, respectively.