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

Contact Purdue Extension: Knowledge to Go
1-888-EXT-INFO or 1-888-398-4636
 

PPDL Staff and Departmental Diagnostic Liaisons

Plant and Pest Diagnostic L​aboratory​

Botany and Plant Pathology

  • Travis Legleiter: Agronomic Weed identification and control; diagnosis of herbicide injury on field crops
  • Lisa GrossWebmaster and Extension assistance 

Entomology

Horticulture

Agronomy

Forestry

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