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Submit a Request for DNA-Based Variety Identification Service

Prices per sample
  • 1-5 samples$410
  • 6 or more samples$300
Surcharges per sample
  • Other than dried leaf samples*$50
  • International samples$50
  • * using our standard protocol
Payment Options
  • Credit Card or Invoice (check)

Initiate a Request

To initiate a request for DNA-Based Variety Identification Service send an EMAIL to Dianne Velasco at [email protected] and provide the following information:

  • Name and address for shipping collection materials and instructions
  • The number of plants to be tested
  • Background regarding the plants to be tested and the issue you want to resolve
    • The service is available only for almond, apple, apricot, cherry, grape, olive, peach, pistachio, plum, and walnut
    • The service does not distinguish between bud-sports (aka somatic mutations, clones) within a given variety

We will send an e-mail confirmation and collection material with collecting instructions for standard leaf samples. The collection material is provided as part of the service.

When you receive the collection material:

After we receive your sample(s):

  • We will complete the DNA-Based Variety Identification Agreement and send it to you for signature.
  • New customers will receive an email from UC Davis Supplier Services with directions on how to submit a W-9 Form.
    • If applicable, the Company Name must match the name shown on your income tax return or W-9 Form.
    • Final results will be delayed if the Company Name does not match the name on the W-9 Form or if the W-9 is not submitted in a timely manner.
  • Results are typically ready in four to five weeks.
  • An invoice will be sent with the results after testing is completed.