Kephas Mphande Department Plant Pathology, Entomology and Microbiology Education PhD Sustainable Agriculture and Plant Pathology, Iowa State University, Spring 2024 Thesis: Evaluating tissue localization and pathogenicity determinants of Serratia marcescens in cucurbits, and optimizing mesotunnel systems for organic cucurbit productionAdvisor: Mark Gleason and Gwyn Beattie