Services and Fees

The Purdue University Plant and Pest Diagnostic Laboratory works for you to identify many types of plant problems and related issues. We work with both physical samples and digital images. We accept both commercial samples of all types and homeowner samples. This service is available to anyone in the continental United States. However, if you reside outside of Indiana we suggest you contact your local Extension Service office or a diagnostic lab in your region for assistance.

Follow this link for University Related Plant Disease and Soil Testing Services located in the United States.

Contact Us

Plant and Pest Diagnostic Laboratory
Purdue University
915 Mitch Daniels Boulevard, LSPS 116
West Lafayette IN 47907-2054
Email: ppdl-samples@purdue.edu​
Voice: 765-494-7071

Map to Lab

Services

Identification and control recommendations for:

  • Plant diseases
  • Insects
  • Mites
  • Spiders
  • Identification of unknown plants, including weeds
  • Nutritional problems
  • Other non-infectious problems
  • Vertebrate pests
  • Honey Bee genome analysis

Services not available - contact us for recommendations

  • Soil or tissue testing
  • Pesticide Residue testing
  • Water testing
  • Nematode soil counts
  • Mushroom ID for human consumption
  • Herbicide Resistance testing

Fees

Per Sample Handling Fee: Includes routine isolations, microscope exam and diagnosis of physical samples and/or digital images:

From within Indiana: $11.00

Outside of Indiana: $22.00

Turf sample fees:

Non-Commercial Turf - $11 per sample ($22 out-of-state)  

  • Homeowner Samples

Commercial Turf - $25 per sample ($100 out-of-state)

  • Golf Course, Sports Field, Sod Farm, Commercial Lawn Care

Honey Bee Genome Analysis - $85 per sample (all states). For more information visit The BeeHive site. 

Choose the appropriate form for physical submission or use the Photo Upload for photo submissions.
Physical Submission Form Physical Submission Form
Turf Submission Form Turf Submission Form

Additional fees:

  • Rapid Test Strips (viruses, Phytophthora, bacteria): $10 each or 4 strips for $25
  • Conventional PCR: $30
    • Brown stem rot (Cadophora gregata)
  • Nested PCR: $50
    • Oak Wilt
  • Real Time PCR: $50
    • Xylella fastidiosa
    • Fusarium virguliforme (SDS)
  • Sequencing: $50 or higher
    • Higher if multiple genes sequenced
  • Wheat Virus Testing: $75 (multi-virus test)
Invoices will be sent after sample reports are completed. We accept payment by money orders, check or credit cards.
If sending a check or money order with your sample please make it payable to Purdue University. 

Diagnostic responses are sent by email (or by US mail or fax upon request).

 There is no additional sample handling fee for follow-up samples requested by the diagnosticians, however additional fees related to advanced testing for viruses and bacteria may be charged for follow-up samples.

 

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