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Plant Health

​​​​​​​The Plant Health Program provides field disease inspections for crops intended for international and interstate markets. Participation in the program is voluntary and provided at the request of seed companies and growers. With official inspection, crops are eligible for Federal Phytosanitary Certificates which are often necessary for export.

What inspections can we do?

  • Allium (onion, garlic, chive, leek, and shallot) field inspections for
    White Rot (Sclerotium cepivorum).
  • Bean seed field inspections in Malheur County.
  • Mint field inspections for Verticillium wilt (Verticillium dahliae).
  • Potato field inspections for late blight (Phytophthora infestans).
  • Other spring or fall planted seed crops (diseases vary).
  • Additional diseases upon request - please contact us for more information. 

How do I apply for a field inspection? 

  • Application deadlines for field inspections:
    • Allium White Rot Inspections – March 15th
    • Bean seed fields in Malheur county – July 1st
    • Mint Verticillium Wilt – June 1st
    • Potato Late Blight – June 1st
    • Fall planted crops – April 1st
    • Spring planted crops – May 1st OR within two weeks of planting

What are the fees associated with this program?

  • Allium White Rot - this is a cost recovery program; costs vary year-to-year
    from $18-35 per acre (OAR 603-051-1054).
  • Bean seed fields in Malheur County: $3.50 per acre, minimum of $30 per field
    (OAR 603-056-0315)
  • Mint Verticillium Wilt  - $60/hour with 1 hour minimum plus mileage
    (OAR 603-053-0200).
  • Potato Late Blight - $60/hour with 1 hour minimum plus mileage (OAR 603-053-0200).
  • Other seed field inspections - $3 per application; $6.50 per acre; minimum of $50 per field, maximum of $450 per field (OAR 603-056-0315).

When will I get the results of my field inspection?

  • If the Plant Health Program discovers a reportable pest, the applicant will be notified as soon as possible.
  • Otherwise, all reports will be sent to applicants at the end of the season.
  • All reports will be emailed by October 1, if inspections were conducted by August 1st.
  • If reports are required sooner, notify Plant Health Program staff as soon as possible and we will do our best to accommodate you.


Main Office
Phone: 503-986-4620