Contact Us
Todd Abrahamson, Secretary
Plant and Pest Diagnostic Laboratory
Purdue University
915 West State Street
West Lafayette IN 47907-2054
Email: abraha15@purdue.edu
Voice:765-494-7071
FAX: 765-494-3958
For general questions about plant care, please contact your local county Extension Educator.
PPDL Staff and Departmental Diagnostic Liaisons
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Tom Creswell, Lab Director
- John Bonkowski, Plant Disease Diagnostician
- Marcello Zimmer: Agronomic Weed identification and control; diagnosis of herbicide injury on field crops
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Lisa Gross: Webmaster and Extension assistance