Plant and Pest Diagnostic Lab - Botany and Plant Pathology, Purdue University

Visit the Plant and Pest Diagnostic Lab Home Page

The Purdue University   Plant and Pest Diagnostic Lab  (PPDL) is an interdisciplinary facility that provides rapid an​d accurate identification of plants, pests, and plant problems; suggests management strategies, when requested; and is a source of unbiased information for plant- and pest-related problems. This service is available to growers, Extension personnel, private businesses, and the general public.

Contact us at:
ppdl-samples@groups.purdue.edu​

Got pictures of your plant problem? See our new  photo upload site

Plant and Soils Building (LSPS) Room 116

915 Mitch Daniels Boulevard 
West Lafayette, IN 47907
765-494-7071
765-494-3958 (Fax)​​

PPDL Personnel

Tom Creswell

Dr. Tom Creswell

Clinical Engagement Professor | Plant Disease Diagnostician/ Director, PPDL
765.494.8081
765.494.3958 (fax)
John Bonkowski

John Bonkowski

Plant Disease Diagnostician
765.494.4641
765.494.3958 (fax)
Tina Garwood

Tina Garwood

Laboratory Technician
765.494.7071
765.494.3958 (fax)