The C. Wayne Ellett Plant and Pest Diagnostic Clinic is a diagnostic facility specializing in the identification of plant diseases, plant health issues, and insect-related problems.


  1. 02/2019 The Clinic will no longer accept any samples that contain any material that does not originate from plants or insects

    Feb 12, 2019

  2. Become an Ohio First Detector!

    Jan 12, 2015

    Are you an Ohio citizen, a Crop Advisor, a County Extension Educator, a Grower, or a Master Gardener? If you are any or all of the above than you would be a perfect candidate for training and becoming an Ohio First Detector!

    What is a First Detector?

  3. Digital Sample Submission App

    Jan 12, 2015

    The Clinic has an app available which will allow you to submit up to six images as a sample or to submit images in support of your physical sample.

    Click here for more information.