We provide plant disease diagnostic services to Extension personnel, growers, pest control advisors, homeowners, landscape professionals, arborists, and the general public throughout and beyond Arizona. I collaborate efforts with state and federal agencies through the National Plant Diagnostic Network – Western Region.

Etiology, biology, and epidemiology of phytopathogenic fungi , bacteria, nematodes and viruses
Development, validation and implementation of existing and new plant disease diagnostic tools
Biological, cultural and chemical management of crop diseases