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| Content Provider | Springer Nature Link |
|---|---|
| Author | Fofana, Bourlaye Humphreys, D. Gavin Cloutier, Sylvie McCartney, Curt A. Somers, Daryl J. |
| Copyright Year | 2007 |
| Abstract | Wheat resistance to common bunt is a highly desirable trait for environmentally friendly grain grade protection. Valuable breeding achievements have been made to develop wheat varieties with enhanced resistance to the disease, and mapping of race-specific resistance genes has been reported. However, less is known of the chromosomal regions that control non-race specific resistance to common bunt. In this study, we have characterized a segregating population of 185 doubled haploid spring wheat lines derived from the cross RL4452 × AC Domain. Reactions to a mixture of common bunt races were assessed under field simulated spring-sown conditions in greenhouses in two locations over 2 years. A total 369 polymorphic maker loci including 356 microsatellite loci, five expressed sequences tag (ESTs), and eight genes were used to develop a linkage map. Quantitative trait loci (QTL) analysis using composite interval mapping detected three QTLs associated with common bunt resistance, of which two were located on chromosome 1B and one on chromosome 7A. AC Domain alleles contributed the common bunt resistance at all three QTLs. Usefulness of gene tagging within the identified chromosomal regions for common bunt resistance breeding is discussed. |
| Starting Page | 317 |
| Ending Page | 325 |
| Page Count | 9 |
| File Format | |
| ISSN | 13803743 |
| Journal | Molecular Breeding |
| Volume Number | 21 |
| Issue Number | 3 |
| e-ISSN | 15729788 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2007-09-04 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Common bunt Doubled haploid population Mapping Quantitative trait loci Wheat Plant Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Plant Science Molecular Biology Biotechnology Agronomy and Crop Science |
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