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Microbiology

Brigham Young University

Cheatgrass

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Evaluating Fungal Pathogen Inoculum Loads In Field Seed Banks, Taryn Lori Williamson Apr 2019

Evaluating Fungal Pathogen Inoculum Loads In Field Seed Banks, Taryn Lori Williamson

Theses and Dissertations

Quantification of soilborne pathogen inoculum loads is important in both agricultural and wildland settings. Quantitative Polymerase Chain Reaction (qPCR) methods using SYBR Green chemistry have been shown to be useful for quantifying fungal inoculum loads in environmental samples. The purpose of this study was to develop a method to quantify fungal pathogen inoculum loads in soil seed banks using a qPCR method with SYBR Green chemistry. The invasive annual grass Bromus tectorum was chosen for this seed bank study. There were three objectives: 1) to design target-specific primers for three fungal pathogens known to be important in Bromus tectorum seed …