Table 3. Quantitative trait loci for seven agronomic traits detected in the RIL population developed from the cross Cypress x PSRR-1 using a composite interval mapping procedure.
| Trait | QTL | Marker Interval | Position a | LOD Value | Additive effect b | PVE(%) c | DPE d |
|---|---|---|---|---|---|---|---|
| Plant height (PH) | qPH1-1CR | RM84-RM283 | 5.0 | 3.21 | 5.519 | 3.2 | C |
| qPH1-2CR | RM7250-RM5362 | 144.0 | 29.98 | -21.038 | 48.9 | R | |
| qPH4CR | RM5503-RM348 | 83.7 | 5.37 | 8.201 | 5.5 | C | |
| qPH7CR | RM3555-RM172 | 114.5 | 2.72 | 6.091 | 3.6 | C | |
| qPH10CR | RM3311-RM8201 | 19.7 | 4.76 | -7.808 | 5.9 | R | |
| qPH12-1CR | RM7315-RM6296 | 15.2 | 2.74 | 5.653 | 3.2 | C | |
| qPH12-2CR | RM1337-RM28424 | 69.2 | 2.74 | -4.962 | 2.7 | R | |
| 72.8 e | |||||||
| Panicle length (PL) | qPL1CR | RM7250-RM5362 | 141.0 | 5.64 | -1.737 | 10.6 | R |
| qPL4CR | RM348-RM5506 | 94.0 | 2.70 | 1.130 | 4.3 | C | |
| 14.3 | |||||||
| Grain length(GL) | qGL5CR | RM164-RM4674 | 73.0 | 3.22 | -0.478 | 4.9 | R |
| Grain width(GW) | qGW3CR | RM570-RM7389 | 173.9 | 3.98 | -0.173 | 6.1 | R |
| qGW7-1CR | Rc-RM214 | 34.0 | 4.64 | 0.200 | 6.5 | C | |
| qGW7-2CR | RM351-RM6810 | 79.2 | 4.46 | -0.168 | 6.4 | R | |
| 10.6 e | |||||||
| Thousand grain weight (TGW) | qTGW5CR | RM164-RM4674 | 76.1 | 4.90 | -2.065 | 12.9 | R |
| Flag leaf length (FLL) | qFLL1CR | RM7250-RM5362 | 144.0 | 13.22 | -4.309 | 22.8 | R |
| qFLL6CR | RM276-RM8225 | 56.3 | 3.06 | -1.968 | 3.9 | R | |
| qFLL7CR | RM6810-RM3555 | 104.1 | 7.91 | 3.627 | 16.1 | C | |
| qFLL11CR | RM3428-RM229 | 65.2 | 3.67 | 1.953 | 4.3 | C | |
| qFLL12CR | RM7315-RM6296 | 14.2 | 3.74 | 2.241 | 5.4 | C | |
| 49.4 e | |||||||
| Flag leaf width (FLW) | qFLW3-1CR | RM3203-RM3372 | 0.0 | 5.01 | -0.068 | 6.9 | R |
| qFLW3-2CR | RM3513-RM3525 | 105.6 | 4.11 | -0.069 | 7.1 | R | |
| qFLW4CR | RM5503-RM348 | 84.7 | 7.33 | 0.106 | 12.1 | C | |
| qFLW12-1CR | RM7315-RM6296 | 30.2 | 7.86 | 0.112 | 12.4 | C | |
| qFLW12-2CR | RM6973-RM1337 | 50.8 | 3.45 | -0.068 | 4.5 | R | |
| 31.6 e |
a QTL peak position on the linkage map.
b Additive effects of Cypress allele.
c Phenotypic variation (%) explained by each QTL.
d DPE, direction of phenotypic effect. C and R denote Cypress and PSRR-1 alleles increasing the phenotypic values, respectively.
e Estimate of the total phenotypic variation explained by the QTLs from a multiple QTL model fit in QTL Cartographer [28].