Potato spindle tuber (PSTVd) - Pospiviroid Potato Spindle Tuber Viroid
Effective: May 11, 2022
Taxonomic Position: Unassigned : Pospiviroidae
Pest Type: Viruses
This pest is a member of the following surveys: Solanaceous Hosts
These Approved Methods are appropriate for: 2024, 2023
Pest Information
Hosts Identified in the CAPS Host Matrix:
Pest is vectored by:

Approved Method(s)
Method Detail NAPIS Survey Method
Visual Collect symptomatic plant material. 3031 - General Visual Observation

Survey Recommendations
The following are recommendations for executing the survey using the approved methods for pest surveillance. The recommendations are developed through literature review and consultation with subject matter experts.
Time of Year to Survey:
Signs and Symptoms:
Survey Site Selection:
Key Diagnostic or Identification

Approved Method(s)
Identification Resources:

To request a copy of diagnostic protocols, email the S&T Beltsville laboratory at APHIS-PPQCPHSTBeltsvilleSampleDiagnostics@aphis.usda.gov and use the subject line 'Diagnostic protocol request'.

Mistaken Identities:

If you are unable to find a reference, contact STCAPS@usda.gov. See the CAPS Pest Datasheet for all references.