Alyssa Koehler

photo of Alyssa

Alyssa Koehler, PhD Principle Investigator

Alyssa joined the University of Delaware Department of Plant and Soil Sciences as an Assistant Professor and Extension Specialist in October, 2018. Alyssa entered the field of plant pathology in 2009, conducting research in a nematology lab. In 2011, she spent the summer working on pineapple diseases in Costa Rica and discovered her interest in fungi and oomycetes. Her M.S. degree focused on fungal pathogens of home lawn tall fescue and stevia, a new crop to the US used as a sweetener. She continued with stevia research in her Ph.D., working with numerous pathogens including Althelia rolfsii, Sclerotinia sclerotiorum, Septoria steviae, Macrophomina phaseolina, Pythium spp, Fusarium spp., Rhizoctonia solani, and others. Alyssa’s current research program focuses on fungal, oomycete, and nematode diseases of corn, soybean, small grains, watermelon, and stevia. In addition to research, Alyssa is passionate about STEM outreach and engaging stakeholders through extension programming.


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