Grapevine Testing

Virus Testing

The Virus Diagnostic Lab offers three testing panels for grapes

  • Complete Virus Testing
  • Canary Virus Testing
  • Targeted Virus/Disease Testing

A signed CPCNW-VDL Testing Agreement must be submitted with the plant material to be tested. Plant material and testing agreement can be sent to

Tina Vasile

CPCNW/WSU-Prosser

24106 N Bunn Rd

Prosser, WA 99350

Complete Virus Panel

  1. RNA Viruses
  • Arabis mosaic virus
  • Grapevine fanleaf virus
  • Grapevine fleck virus
  • Grapevine leafroll-associated virus 1
  • Grapevine leafroll-associated virus 2
  • Grapevine leafroll-associated virus 3
  • Grapevine leafroll-associated virus 4
  • Grapevine leafroll-associated virus 5
  • Grapevine leafroll-associated virus 6
  • Grapevine leafroll-associated virus 7
  • Grapevine leafroll-associated virus 8
  • Grapevine virus A
  • Grapevine virus B
  • Grapevine virus D
  • Hop stunt viroid
  • Peach rosette mosaic virus
  • Rupestris stem pitting associated virus
  • Tobacco ringspot virus
  • Tomato ringspot virus
  1. DNA Viruses
  • Red blotch associated virus
  • Grapevine vein clearing virus
  1. Other Systemic Pathogens
  • Xyllela fastidiosa (Pierce‚Äôs disease)
  • Generic phytoplasma screen (Grapevine yellows disease)
  • Agrobacterium vitis (Crown gall disease)

Canary Virus Panel

  • Grapevine leafroll-associated virus 3
  • Red blotch associated virus