Table 3.
FHB resistance and morphological QTLs detected by simple interval mapping in a DH population from the cross between KH14 and Sumai 3
| Trait | Chr. | 2003 | 2004 | ||||||
|---|---|---|---|---|---|---|---|---|---|
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| Flanking markers | LODa | PVEb | AEc | Flanking markers | LODa | PVEb | AEc | ||
| FDG (%)d | 3BS | Xgwm533.1-Xgwm493 | 3.6 | 0.07 | −0.45 | Xgwm533.1-Xgwm493 | 2.1 | 0.04 | −0.16 |
| 5AS | Xwmc705-Xgwm304 | 4.3 | 0.08 | −0.46 | Xwmc705-Xgwm304 | 4.8 | 0.09 | −0.19 | |
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| DON (ppb) | 3BS | Xgwm389-Xgwm533.1 | 2.9 | 0.05 | −519 | Xgwm389-Xgwm533.1 | 2.9 | 0.06 | −147 |
| 4BS | Xwmc710-Xgwm513 | 2.5 | 0.05 | 403 | |||||
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| FHB severity (index) | 2DL | Xgwm608-Xwmc175 | 4.8 | 0.09 | −7.93 | ||||
| 4BS | Xwmc710-Xgwm513 | 1.4 | 0.03 | −2.15 | |||||
| 5AS | Xwmc705-Xgwm304 | 2.6 | 0.05 | −2.83 | |||||
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| Heading date (day) | 4BS | Xwmc710-Xgwm513 | 3.5 | 0.08 | 1 | Xwmc710-Xgwm513 | 1.8 | 0.04 | 1 |
| 6BS | Xgwm508-Xgwm397 | 1.8 | 0.04 | 1 | Xgwm508-Xgwm397 | 3.8 | 0.07 | 1 | |
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| Stem length (cm) | 4BS | Xwmc710-Xgwm513 | 18.9 | 0.32 | 7.95 | ||||
| 5AS | Xwmc705-Xgwm304 | 3.3 | 0.06 | 3.49 | |||||
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| Spike length (cm) | 4BS | Xwmc710-Xgwm513 | 1.6 | 0.03 | 0.24 | ||||
| 5AS | Xwmc705-Xgwm304 | 5.6 | 0.11 | 0.44 | |||||
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| TGWe (g) | 2DL | Xgwm608-Xwmc175 | 10.9 | 0.20 | −4.24 | Xgwm608-Xwmc175 | 8.3 | 0.15 | −3.05 |
| 4BS | Xwmc710-Xgwm513 | 5.2 | 0.10 | 1.55 | Xwmc710-Xgwm513 | 3.5 | 0.07 | 1.00 | |
a
The threshold logarithm of odds value was based on the results of 1000 permutation tests at the 5% level of significance.
b
Proportion of phenotypic variance explained by the detected QTLs.
c
Additive effect of Sumai 3 allele.
d
FDG: Fusarium-damaged grains.
e
TGW: thousand grain weight.