Department of Plant Pathology
Extension Professor
Provost's Distinguished Service Professor

Contact Information

Specializes In:

  • Nucleic acid-based detection of plant pathogens
  • Advanced concepts in fungicides, including resistance
  • Agricultural Sustainability
  • Risks and Benefits of Genetically Engineered Crops
  • Climate Change and Agriculture
  • Etiology and management of diseases of maize and forages
  • Plant Disease Epidemiology

International Experience:

  • U.S. Scholar to Nicaragua, Fulbright Program, 2014
  • U.S. Specialist to Uruguay, Fulbright Program, 2013
  • U.S. Scholar to Uruguay, Fulbright Program, 2005
  • Botanist, U.S. Peace Corp, Colombia and Nicaragua, 1977-1980
  • Competency with spoken and written Spanish

Selected Awards:

  • Recipient, M. Whiteker Award for Excellence in Extension, UK College of Agriculture, 2012
  • Provost's Award for Outstanding Teaching, UK, 2011
  • Great Teacher Award, UK Alumni Association, 2011
  • Excellence in Teaching Award, American Phtopathology Society, 2007
  • Master Teacher Award, Gamma Signma Delta, Kentucky Chapter, 2004


  • Delivered 23 invited scientific talks ans seminars internationally, mostly in Latin America
  • Offered hands-on workshops in molecular detection of plant pathogens in Mexico, Nicaragua, Barbados, and Puerto Rico
  • Offered one graduate course and several guest lectures in Nicaragua and Puerto Rico
  • Thirty-nine refereed research papers; 25 as first author, one in Spanish
  • Over 250 invited presentations regionally, nationally, and internationally