Microbial approaches to support Andean quinoa production

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dc.contributor.authorTesten, Anna L.en
dc.contributor.departmentSustainable Agriculture and Natural Resource Management (SANREM) Knowledgebaseen
dc.date.accessioned2016-04-19T20:31:06Zen
dc.date.available2016-04-19T20:31:06Zen
dc.date.issued2012en
dc.descriptionMetadata only recorden
dc.description.abstractAs Quinoa production increases in response to growing global demand for the crop, it is necessary to develop improved production practices that will support sustainable production. To that end, this thesis examines the ability of the Bacillus species of bacteria to colonize quinoa and to promote quinoa growth, and seeks to identify source of inoculum for Peronospora variabilis, the cause of the quinoa downy mildow disease. Bacillus populations isolated from Pennsylvanian Chenopodium album, Ecuadorean C. quinoa, and Bolivian C. quinoa were screened for the ability to solubilize tricalcium phosphate and this phenotype was paired with 16S sequence data to determine if there were species based patterns of tricalcium phosphate solubilization. Seed-based detection methods using sequencing and PCR with specific primers were developed to detect seedborne oospores of P. variabilis. It was found that seedborne oospores likely play a significant role in the spread of quinoa downy mildew, making the development of management methods for these seedborne oospores critical. Combining these research themes, the potential for Bacillus to reduce the severity of quinoa downy mildew was tested.en
dc.description.notesLTRA-7 (Pathways to CAPS in the Andes)en
dc.format.mimetypetext/plainen
dc.identifier8249en
dc.identifier.citationM.S. Thesis. University Park, PA: Pennsylvania State Universityen
dc.identifier.urihttp://hdl.handle.net/10919/70307en
dc.language.isoen_USen
dc.relation.urihttp://cat.libraries.psu.edu/uhtbin/cgisirsi/0/0/0/5?searchdata1=^C9738280en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectIntegrated crop managementen
dc.subjectShifting cultivationen
dc.subjectCommodity cropsen
dc.subjectSustainable agricultureen
dc.subjectQuinoaen
dc.subjectInternational agricultureen
dc.subjectSeedborne diseasesen
dc.subjectDowny mildew phosphate solubilizing bacteriaen
dc.subjectEcuadoren
dc.subjectBoliviaen
dc.subjectPgpren
dc.subjectField Scaleen
dc.titleMicrobial approaches to support Andean quinoa productionen
dc.typeAbstracten
dc.type.dcmitypeTexten
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