The Plant Disease Diagnostic Clinic provides fast and accurate plant disease diagnosis and up-to-date pest control recommendations for anyone from homeowners to commercial growers.  

We analyze plant material for pathogens including: 

  • Bacteria 
  • Fungi 
  • Viruses 

We also test soil for pathogenic nematodes. 

Learn more about our services, fees and how to submit samples. 

Our philosophy: 

We promotes a Test, Don’t Guess attitude. Accurate pest identification is the essential first step for effective and efficient management of pest problems.

ppdc team picture.
Diagnostician Sandra Jensen (top) and Director Karen Snover-Clift (bottom).