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Rust And Viral Mosaic Diseases In Biofuel Switchgrass, Anthony A. Muhle
Rust And Viral Mosaic Diseases In Biofuel Switchgrass, Anthony A. Muhle
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Switchgrass (Panicum virgatum L.) is a perennial warm-season monocot that is indigenous to locations in North America east of the Rocky Mountains, and is considered a model grass for biofuel feedstock production. As switchgrass production increases, diseases pose a potential threat to biomass production and ethanol extraction. The two predominant switchgrass diseases in Nebraska are rust caused by Puccinia spp. and a viral mosaic disease caused by Panicum mosaic virus (PMV) and its associated Satellite panicum mosaic virus (SPMV). In this thesis, one study determined how SPMV affects PMV infection and systemic spread in two populations of switchgrass at different …