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Plant and Pest Diagnostic Laboratory

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 Laboratory

Tom Creswell, Lab Director
Gail Ruhl, Senior Diagnostician

Botany and Plant Pathology

Marcello Zimmer: Agronomic Weed identification and control; diagnosis of herbicide injury on field crops

Lisa Gross: Webmaster and Extension assistance

Entomology

Timothy Gibb: Invertebrate and other pest identification and control
Cliff Sadof: Ornamentals and Pest Management

Horticulture

B. Rosie Lerner: Identification of horticultural plants
Kyle Daniel: Identification of horticultural plants
Aaron Patton:Turfgrass management

Agronomy

Keith Johnson: Forage Crop Specialist

Forestry

Lenny Farlee: General Forestry

Botany and Plant Pathology, 915 West State Street, West Lafayette, IN 47907-2054 USA, (765) 494-4614
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