Information for County Extension Offices
Plant Disease Diagnostic Laboratory Forms
County Extension personnel should include the Plant Disease Identification Form with all sambles submitted to the Plant Disease Diagnostic Laboratories. The Tree and Shrub Disease Identification Form should be included with all tree and shrub samples (ornamentals, tree fruits, etc.)
- Plant Disease Identification Form (pdf)
- Tree & Shrub Disease Identification Supplemental Form (pdf)
- Greenhouse & High Tunnel Supplemental Diagnostic Form (pdf)
- Guidelines for Hemp Sample Submission to the Plant Disease Diagnostic Labs (pdf)
Submitting Plant Samples (general)
- Canker Sampling of Trees and Woody Ornamentals PPFS-OR-W-27
- Sample Prep and Submission Webinar Video - https://youtu.be/7ezT93sPPaY
- Submitting Plant Specimens for Disease Diagnosis PPFS-GEN-09