Breeding Considerations for Improving Cadmium and Zinc Hyperaccumulation in Two Thlaspi caerulescens Populations

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dc.contributor.advisorMcIntosh, Marla Sen_US
dc.contributor.authorSynkowski, Eva Claire Creightonen_US
dc.contributor.departmentPlant Science and Landscape Architecture (PSLA)en_US
dc.date.accessioned2004-06-04T05:56:22Z
dc.date.available2004-06-04T05:56:22Z
dc.date.issued2004-05-05en_US
dc.description.abstractCadmium is the second most widespread soil metal contaminant in the world and it has been suggested that phytoremediation using hyperaccumulator plants could be used to effectively remove harmful levels of soil metals. This research was conducted to provide basic information necessary for developing a breeding program to improve the phytoremediation potential of Thlaspi caerulescens, a promising hyperaccumulator plant. By determining the genetic structure of the source populations and estimating the heritability of traits of interest, gain from selection was predicted. Bulk segregrant analysis of DNA polymorphisms was used to identify markers linked to cadmium hyperaccumulation. DNA markers would reduce time and expense of selecting superior genotypes. However, confounding effects from marker technology, experimental design, and sample size reduced the potential for implementing the detected markers in a breeding program. Future experiments may still detect markers for hyperaccumulation and the T. caerulescens populations studied are valuable for phytoremediation application.en_US
dc.format.extent1098161 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/1903/1508
dc.language.isoen_US
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_US
dc.relation.isAvailableAtUniversity of Maryland (College Park, Md.)en_US
dc.subject.pqcontrolledBiology, Botanyen_US
dc.subject.pqcontrolledBiology, Geneticsen_US
dc.subject.pqcontrolledAgriculture, Plant Cultureen_US
dc.subject.pquncontrolledThlaspi caerulescensen_US
dc.subject.pquncontrolledcadmiumen_US
dc.subject.pquncontrolledzincen_US
dc.subject.pquncontrolledhyperaccumulationen_US
dc.subject.pquncontrolledbreedingen_US
dc.subject.pquncontrolledphytoremediationen_US
dc.titleBreeding Considerations for Improving Cadmium and Zinc Hyperaccumulation in Two Thlaspi caerulescens Populationsen_US
dc.typeThesisen_US

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