Stephanie Karhoff

Stephanie Verhoff

2019 TPS Alumna

Current Employment

 Agriculture and Natural Resources Extension Educator (Williams County), The Ohio State University


PhD, Translational Plant Sciences, The Ohio State University, August 2019

BS, Agriculture, The Ohio State University, May 2012

Research Focus

As an undergraduate, Stephanie worked with Dr. Allison Snow and completed an honors thesis focusing on the reproductive ecology of naturalized Miscanthus sinensis. During this time, she also completed internships with AgReliant Genetics, Dr. Laura Lindsey, and Monsanto Company. Stephanie's PhD work with Dr. Leah McHale focused on quantitative resistance to the soybean disease Phytophthora root and stem rot.

TPS Program Experience

Rotations: Dr. Leah McHale & Dr. Anne Dorrance
Advisors: Dr. Leah McHale (primary) & Dr. Anne Dorrance
Internship: Beck's Hybrids Practical Farm Research

Grants & Awards

2018 SEEDS: OARDC Research Enhancement Competitive Grants Program recipient
2018 Soy2018 Travel Award
2017 American Seed Trade Association 'Better Seed Better Life' Video Contest, Second Place
2016 Ohio Soybean Council, Graduate Student Scholarship recipient
2016 Honorable Mention, SOY2016 Graudate Student Poster Contest
2015 United Soybean Board Fellowship
2015 Third Place, Crop Science Society of America Student Poster Contest


Karhoff, S.R., S. Lee, M.A.R. Mian, T.I. Ralston, T.L. Niblack, A.E. Dorrance, and L.K. McHale. 2019. Phenotypic characterization of a major quantitative disease resistance locus for partial resistance to Phytophthora sojae. Crop Sci. doi:10.2135/cropsci2018.08.0514