The UK Plant Disease Diagnostic Laboratory (PDDL) is an educational resource for Kentucky county Extension agents as they assist their clients in diagnosis and management of plant diseases. This lab is located on the main campus of the University of Kentucky in Lexington, KY. 

Submitting Samples

To UK Plant Disease Diagnostic Lab

Kentucky residents who wish to submit plant samples for diagnosis should do so through their local County Extension Office. Contact them for information on sample preparation and submission. The UK Extension publication Submitting Plant Specimens for Disease Diagnosis (PPFS-GEN-09) provides additional tips on how to collect and package plant samples for diagnosis. 

Agricultural Diagnostic Services Guide

See the PDDL guide for where to send samples for various agricultural diagnostic services. 

For County Extension Personnel Only

The following information is available via Login:

• Plant Disease Identification Forms
• Guidelines for Hemp Sample Submission to the Plant Disease Diagnostic Labs
• Mailing address for Plant Disease Diagnostic Lab