Alder root and collar rot - Phytophthora alni
Effective: March 10, 2020
Taxonomic Position: Peronosporales : Pythiaceae
Pest Type: Fungi
Pest Code (NAPIS): FICBPUT
These Approved Methods are appropriate for: 2024, 2023, 2022, 2021, 2020
Pest Information
Hosts Identified in the CAPS Host Matrix:
Pest is vectored by:
Survey

Approved Method(s)
Method Detail NAPIS Survey Method
Water Sample In situ water sampling with rhododendron leaf baits (preferred method), see detailed instructions below. 3014 - General Water Sample
Method Notes:

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.
Signs:
Symptoms:
Key Diagnostic or Identification

Approved Method(s)
ID/Diagnostic:
Mistaken Identities:
Notes: