Stephanie Karhoff

Stephanie Verhoff

Stephanie received her B.S. in Agriculture from The Ohio State University in May 2014. As an undergraduate, she worked with Dr. Allison Snow and completed an honors thesis focusing on the reproductive ecology of naturalized Miscanthus sinensis. She also completed internships with AgReliant Genetics, Dr. Laura Lindsey, and Monsanto Company. She most recently interned with Beck’s Hybrids Practical Farm Research Program. Her PhD work with Dr. Leah McHale focuses on quantitative resistance to the soybean disease Phytophthora root and stem rot



BS, Agriculture, The Ohio State University (2014)

Long Term Career Interests

  • Extension
  • Product specialist
  • Research Agronomist

Research Interests

  • Quantitative genetics
  • Genomic selection
  • Plant Breeding (specifically for disease resistance)

Current Status in TPS

Faculty Mentor: Leah McHale
Co-mentor: Anne Dorrance

First Year Rotations

  1. Leah McHale
  2. Anne Dorrance


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