Jiahuai "Alex" Hu

Jiahuai "Alex" Hu

Associate Specialist Plant Pathology Extension & Associate Professor


  • Ph.D. Plant Pathology Virginia Tech
  • M.S. Plant Pathology China Agricultural University
  • B.S. Plant Protection USTC/Hefei Institute of Economics and Technology

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