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Scab Resistance QTLs are Associated with Quality and Agronomic Traits of Soft Red Winter Wheat

dc.contributor.advisorCosta, Joseen_US
dc.contributor.authorCardwell, Lydia Annen_US
dc.date.accessioned2011-07-06T05:43:50Z
dc.date.available2011-07-06T05:43:50Z
dc.date.issued2011en_US
dc.identifier.urihttp://hdl.handle.net/1903/11481
dc.description.abstractFusarium head blight (FHB) is a devastating fungal disease affecting Triticum aestivum crops worldwide. While many quantitative trait loci (QTL) responsible for FHB resistance have been reported, some widely used sources are from exotic cultivars that may carry undesirable alleles linked with resistance. Ning_7840, a Chinese hard red spring wheat, contains a major FHB QTL on the 3BS chromosome, along with two minor QTL on the 5A and 2DL chromosomes. Ning_7840 was crossed with Pioneer_2643, a soft red winter wheat, to create 86 recombinant inbred lines. The effect of the Ning_7840 alleles on agronomic traits and milling and baking quality traits was examined over three growing seasons in Maryland. While the 3BS QTL was not associated negatively with other traits, the 2DL and 5A QTL were. This suggests the introduction of FHB resistance QTL on 5A and 2DL into soft red winter wheat may negatively affect agronomic and quality traits.en_US
dc.titleScab Resistance QTLs are Associated with Quality and Agronomic Traits of Soft Red Winter Wheaten_US
dc.typeThesisen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.contributor.departmentPlant Science and Landscape Architecture (PSLA)en_US
dc.subject.pqcontrolledPlant Sciencesen_US
dc.subject.pqcontrolledPlant Pathologyen_US
dc.subject.pqcontrolledAgriculture, Generalen_US
dc.subject.pquncontrolledfusariumen_US
dc.subject.pquncontrolledscaben_US
dc.subject.pquncontrolledwheaten_US


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