Table 2.
Sheath blight resistance QTL identified in the two mapping populations in 2015 and 2016
| Model | QTL or covariatea | Chromosome | LODb | PVE(%)c | Effect | Allele with increased resistance | 1-LOD startd | 1-LOD stopd | Candidate gene |
|---|---|---|---|---|---|---|---|---|---|
| B population | |||||||||
| 2015 | qShB1–1 | 1 | 14.26 | 18.26 | −0.61 | weed | 37,154,608 | 38,207,165 | sd1 |
| qShB8 | 8 | 9.61 | 11.71 | −0.46 | weed | 4,097,722 | 4,604,002 | DTH8 | |
| qShB3 | 3 | 4.60 | 5.32 | 0.32 | crop | 30,382,168 | 33,046,007 | ||
| qShB4 | 4 | 4.50 | 5.19 | −0.31 | weed | 20,697,856 | 23,609,792 | ||
| qShB6–1 | 6 | 3.59 | 4.10 | 0.28 | crop | 2,046,269 | 3,171,640 | Hd3a | |
| 2015 with covariates | PH | 17.94 | 21.55 | −0.03 | |||||
| HD | 11.70 | 13.11 | −0.06 | ||||||
| qShB3 | 3 | 7.02 | 7.48 | 0.38 | crop | 33,657,106 | 35,750,342 | ||
| qShB1–2 | 1 | 5.71 | 6.00 | −0.21 | weed | 7,173,743 | 38,433,096 | ||
| qShB4 | 4 | 3.71 | 3.82 | −0.18 | weed | 20,697,856 | 23,609,792 | ||
| qShB1–2 x qShB4 | 2.30 | 2.34 | 0.21 | ||||||
| qShB3–1 x HD | 3.65 | 3.68 | −0.03 | ||||||
| 2016 | qShB1–3 | 1 | 13.27 | 24.06 | −0.39 | weed | 37,310,074 | 38,481,437 | |
| S population | |||||||||
| 2015 | qShB1–3 | 1 | 12.83 | 24.40 | −0.84 | weed | 28,586,738 | 40,526,762 | sd1 |
| qShB1–4 | 1 | 3.12 | 5.16 | −0.38 | weed | 22,783,068 | 23,642,407 | ||
| 2015 with covariates | PH | 32.29 | 53.03 | −0.24 | |||||
| HD | 7.69 | 8.76 | −0.24 | ||||||
| qShB1–4 | 1 | 3.86 | 4.17 | −0.33 | weed | 20,454,249 | 24,016,179 | ||
| PH x HD | 5.65 | 6.26 | 0.00 | ||||||
| 2016 | qShB1–3 | 1 | 5.99 | 13.76 | −0.34 | weed | 22,920,401 | 40,526,762 | sd1 |
| qShB6–2 | 6 | 5.02 | 11.39 | 0.32 | crop | 8,057,485 | 16,481,013 | hd1 | |
aPH, Plant height; HD, Heading date
bLOD, Logarithm of Odds
cPVE, Percent of the phenotypic variance explained
dGenomic position based on MSU7 assembly