WSU Whatcom County Extension

Whatcom Horticulture Pest Board

Whatcom Horticulture Pest Board        

 

Blueberry Scorch Virus

 

Pest Description

WSU Whatcom County IPM Pest Profile for Blueberry Scorch Virus:
http://whatcom.wsu.edu/ipm/manual/blue/scorch.html
Michigan State University Extension:
http://msue.anr.msu.edu/news/how_to_recognize_symptoms_of_blueberry_shock_and_scorch_two_new_virus_disea

 

Management

  • If a plant shows symptoms of scorch a confirmation lab test is needed. Contact the WHPDB for instruction on how to do this.
  • If the test is confirmed positive, the infected plants and roots should be removed immediately as well as six adjacent plants within the row.
  • Continue tissue sampling and plant tracking programs in the infected field to see if additional plants test positive.
  • Initiate intensive rouging of infected plants.
  • Implement rigorous aphid management programs for at least two years following virus management.
  • Yellow sticky cards will then be installed and monitored by the WCHPDB during that time period.

 

Further Management Guidelines
Pacific Northwest Pest Management Handbook:
https://pnwhandbooks.org/plantdisease/host-disease/blueberry-vaccinium-corymbosum-scorch

 

 

Current Highlighted Pests:
Blueberry Scorch Virus Potato Virus Y (PVY) Potato Late Blight Apple Maggot

 

 

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WSU Whatcom County Extension • 1000 N. Forest St., Bellingham, WA 98225 • (360) 778-5800 • whatcom@wsu.edu