Table 4.
QTLs identified for three seed-germination related traits (GR, SL & FW) in LM6 and ZM6 RIL populations under artificial aging treatment
| Aging treatment | Traits | QTL | Chromosome (Linkage group) | Position(cM) | Marker | LOD value | Additive effect | R2 value(%) |
|---|---|---|---|---|---|---|---|---|
| Artificial-LM6 | rGR | qrGR-3-1 | 3 (N) | 1.01 | bin228-bin229 | 3.37 | 0.06 | 8.94 |
| qrGR-3-2 | 3 (N) | 81.01 | bin322-bin323 | 3.43 | −0.05 | 8.14 | ||
| qrGR-17–1 | 17 (D2) | 113.31 | bin1924-bin1925 | 7.05 | 0.09 | 19.11 | ||
| qrGR-17-2 | 17 (D2) | 123.01 | bin1930-bin1931 | 8.65 | 0.09 | 22.64 | ||
| rSL | qrSL-5-1 | 5 (A1) | 55.51 | bin505-bin506 | 4.09 | 0.01 | 11.78 | |
| qrSL-6-1 | 6 (C2) | 62.11 | bin613-bin614 | 4.06 | −0.01 | 11.75 | ||
| qrSL-9-1 | 9 (K) | 77.51 | bin1057-bin1058 | 4.12 | 0.02 | 11.92 | ||
| rFW | qrFW-3-1 | 3 (N) | 3.31 | bin231-bin232 | 3.50 | 0.04 | 8.51 | |
| qrFW-17–1 | 17 (D2) | 116.51 | bin1925-bin1926 | 6.41 | 0.07 | 19.05 | ||
| qrFW-17-2 | 17 (D2) | 123.01 | bin1930-bin1931 | 8.33 | 0.07 | 23.16 | ||
| Artificial-ZM6 | rGR | qrGR-10-1 | 10 (O) | 91.21 | bin1313-bin1314 | 3.73 | 0.05 | 8.69 |
| qrGR-17-3 | 17 (D2) | 130.21 | bin2176-bin2177 | 4.26 | −0.05 | 10.56 | ||
| qrGR-18–1 | 18 (G) | 47.91 | bin2226-bin2227 | 6.61 | 0.07 | 16.03 | ||
| rSL | qrSL-17–1 | 17 (D2) | 128.21 | bin2176-bin2177 | 3.09 | −0.03 | 7.38 | |
| qrSL-18–1 | 18 (G) | 35.21 | bin2218-bin2219 | 3.05 | 0.03 | 7.38 | ||
| qrSL-18-2 | 18 (G) | 50.01 | bin2228-bin2229 | 3.01 | 0.03 | 7.30 | ||
| rFW | qrFW-11-1 | 11 (B1) | 3.51 | bin1356-bin1357 | 3.25 | −0.04 | 8.50 | |
| qrFW-17-3 | 17 (D2) | 129.21 | bin2176-bin2177 | 4.26 | −0.04 | 11.44 |
rGR (relative germination rate), rSL (relative seedling length) and rFW (relative fresh weight); R2 = Coefficient of determination/phenotypic variance explained (PVE). In artificial aging condition control was available, and we used relative trait value for QTL analysis