Agri-Analysis :: Grapevine Testing :: Seed Testing since 1981.

You are here: To better serve you, Agri-Analysis is now located in Davis within walking distance to UCD campus.
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Testing for:
Lettuce Mosaic Virus Bacterial diseases Grapevine diseases Fungal diseases Seed Health Genetic Traits GMOs

Vineyards Seeds Vegetables Fruits Field Crops Ornamentals Soils GMOs

Our New Location:
950 West Chiles Road
Davis, CA 95618


Agri-Analysis LLC is a proud member of:

The Napa Valley Grape Growers Association

The California Seed Association

The American Phytopathological Society

Grapevine Disease Screening

If you have budwood you want to propagate, or, if you have a production problem in your vineyard, and it is related to the presence of one of the commonly-encountered viral, fungal, or bacterial plant pathogens of Vitis spp., there is a high probability of detection given the proper sample at the right time of the year. Agri-Analysis provides assays to detect the following grapevine pathogens:

  • NEW: Grapevine Red Blotch-associated Virus (GRBaV)
  • Grapevine leafroll-associated virus type 1 (GLRaV-1)
  • Grapevine leafroll-associated virus type 2 (GLRaV-2)
  • Grapevine leafroll-associated virus type 3 (GLRaV-3)
  • Grapevine leafroll-associated virus type 4 & 5 (GLRaV-4&5)
  • Grapevine leafroll-associated virus type 7 (GLRaV-7)
  • Grapevine leafroll-associated virus type 9 (GLRaV-9)
  • Grapevine fleck virus (GFkV)
  • Grapevine fanleaf virus (GFLV)
  • Grapevine virus A (GVA)
  • Grapevine virus B (GVB)
  • Grapevine virus D (GVD)
  • Rupestris stem-pitting associated virus (RSPaV)
  • Grapevine rootstock stem lesion associated virus (GRSLaV, Red Globe virus)
  • Tomato ring spot virus (grapevine yellow vein disease)
  • Xylella fastidiosa (Pierce's Disease)
  • Vine Decline fungi (Esca, Petri disease):
    Phaeoacremonium spp.
    Phaeomoniella chlamydospora
  • Phytophthora spp.
  • Cylindrocarpon spp.
  • Armillaria mellea (Oak root fungus)
  • Eutypa spp.
  • Botryosphaeria spp.
  • Phomopsis viticola
  • Agrobacterium vitis (Detection of tumorigenic strains of A.vitis)
  • Phytoplasmas

Other Services

  • Diagnosis of bacterial, fungal and viral diseases of various other crops
  • Detection and quantification of pathogen propagules (e.g. Phytophthora, Pythium, Verticillium, Aspergillus) in soil
  • Custom Contract research projects

For our service brochure, please click here: page 1 and page 2. Click here to download a sample request form. For testing cost, please contact us or email us at or call 1.800.506.9852.