Department: Plant Pathology, Physiology, and Weed Science

Ruth Grene

Ruth GreneProfessor
Department of Plant Pathology, Physiology, and Weed Science

Expert in plant genome, genetics, and genetic mechanisms; stresses affecting plants, such as climate change

grene@vt.edu
540-231-6761
https://www.ppws.vt.edu/people/faculty/grene-ruth.html

Expertise

  • Agricultural production and productivity
  • Stress tolerance
  • Genomics
  • Networks
  • Soybeans
  • Drought
  • Climate change

Chuanxue Hong

Chuanxue HongProfessor
Hampton Roads Agricultural Research and Extension Center
Department of Plant Pathology, Physiology, and Weed Science

Expert in ornamental plant diseases, irrigation pathogens, recycled water quality and treatment, systematics and biology of the genus Phytophthora

chhong2@vt.edu
757-363-3908
http://arec.vaes.vt.edu/arec/hampton-roads/people/hong-bio.html

Expertise

  • Ornamental plant pathology
  • Phytophthora taxonomy, phylogenetics, and identification
  • Pathogen aquatic biology
  • Quorum sensing in Phytophthora species and associated microbes
  • Fungicide resistance
  • Boxwood blight
  • Recycled water science and technology
  • Plant biosecurity
  • Water and environmental sustainability

Charles Johnson

Charles JohnsonProfessor and Extension specialist
Southern Piedmont Agricultural Research and Extension Center
Department of Plant Pathology, Physiology, and Weed Science

Expert in plant genetic resources; plant management systems; and biological control of pests affecting plants

spcdis@vt.edu
434-292-5331
http://arec.vaes.vt.edu/arec/southern-piedmont/people/johnson-bio.html

Expertise

  • Integrated pest management
  • Pathogens and nematodes
  • Pesticides
  • Field crops
  • Tobacco and small fruit diseases
  • Tobacco

Hillary Mehl

Hillary MehlAssistant professor, Extension specialist
Tidewater Agricultural and Research Extension Center
Department of Plant Pathology, Physiology, and Weed Science

Expert in plant disease management

hlmehl@vt.edu
757-657-6450
http://arec.vaes.vt.edu/arec/tidewater/people/mehl-hillary.html

Expertise

  • Row crops: small grains, corn, soybean, peanut, cotton, sorghum
  • Integrated pest management
  • Plant disease management and diagnosis
  • Pathogens and nematodes
  • Mycotoxins