Table 1 QTLs for low temperature germinability identified in the present study and their co-location cold tolerant QTLs identified in the previous studies
QTL | Chromosome | The most significant SNP position (bp)a | P-value | Variation explained (%) | Co-location QTLb | Reference |
|---|---|---|---|---|---|---|
Whole population | ||||||
 qLTG_sRDP2–1 | 1 | 24,086,631 | 2.68E-06 | 4.74 | SNP-1.23843134c | Wang et al. 2018a |
|  |  |  |  | qLTSSvR1–2 | Pan et al. 2015 | |
 qLTG_sRDP2–3 | 3 | 7,834,390 | 9.43E-06 | 4.21 |  |  |
 qLTG_sRDP2–4 | 4 | 31,340,881 | 3.10E-05 | 3.71 | qLTG-4c | Jiang et al. 2006 |
|  |  |  |  | qCTGERM4–5c | Shakiba et al. 2017 | |
| Â | Â | Â | Â | Ctb1 | Saito et al. 2010 | |
 qLTG_sRDP2–5 | 5 | 3,504,648 | 2.58E-05 | 3.79 | qLTG-5-1c | Jiang et al. 2006 |
 qLTG_sRDP-7a | 7 | 14,730,833 | 3.72E-06 | 4.60 | qCTG-7-2c | Ranawake et al. 2014 |
 qLTG_sRDP2-7b | 7 | 28,597,440 | 7.72E-05 | 3.33 | qLTSSvR7–2 | Pan et al. 2015 |
|  |  |  |  | qLTG-7c | Schläppi et al. 2017 | |
| Â | Â | Â | Â | SNP-7.28369125c | Wang et al. 2018a | |
 qLTG_sRDP2–10a | 10 | 11,648,047 | 1.36E-06 | 5.03 | qLTSS10–2 | Schläppi et al. 2017 |
| Â | Â | Â | Â | SNP-10.11494085c | Wang et al. 2018a | |
| Â | Â | Â | Â | chr10_11890928c | Wang et al. 2018b | |
| Â | Â | Â | Â | qLTG-10c | Jiang et al. 2006 | |
|  |  |  |  | qCTSR10–1 | Zhang et al. 2018 | |
 qLTG_sRDP2–10b | 10 | 14,457,620 | 1.06E-05 | 4.16 | qLTG-10c | Jiang et al. 2006 |
 qLTG_sRDP2–12 | 12 | 23,790,019 | 1.02E-05 | 4.18 | qLTSS-12 | Schläppi et al. 2017 |
Japonica | ||||||
 qLTG_JAP-3 | 3 | 7,769,981 | 8.47E-06 | 13.23 |  |  |
Aus | ||||||
 qLTG_AUS-3 | 3 | 779,807 | 9.02E-06 | 24.02 |  |  |
 qLTG_AUS-4 | 4 | 31,506,890 | 4.99E-05 | 19.58 | qLTG-4c | Jiang et al. 2006 |
|  |  |  |  | qCTGERM4–5c | Shakiba et al. 2017 | |
| Â | Â | Â | Â | Ctb1 | Saito et al. 2010 | |
 qLTG_AUS-7 | 7 | 20,735,661 | 1.72E-06 | 28.55 | qCTGERM7–4c | Shakiba et al. 2017 |