Crop Testing

Crop Testing
What test do I need?

If you are unsure what kind of tests you need, we can help you diagnose your crop using our plant diagnosis techniques.

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  1. Fatty Acid Profiling
    Fatty Acid Profiling (FAP) is used to identify bacterial isolates and is accredited to UKAS ISO17025 standards. The profiles generated are compared against commercially available FAP libraries as well as our own in-house libraries generated using isolates from the National Collection of Plant Pathogenic Bacteria (NCPPB).
  2. Soft Rotting Bacteria (average tuber inoculum load)
    This test provides a total count of soft rotting bacteria in potato tubers.
  3. Gangrene Latent Test
    A latent test for gangrene, a slow growing fungal disease of stored potatoes, caused by Boeremia foveata.
  4. Scab testing: powdery (Spongospora) & common (Streptomyces)
    Powdery and Common scab both are potato blemish diseases that cause unsightly scab like blemishes on the tubers which in turn result in the tubers being rejected or downgraded.
  5. Tuber blemish diseases: visual assessment (% coverage)
    Our experts undertake a detailed visual assessment of your samples to report a percentage coverage of various tuber blemish diseases including: silver scurf, black scurf, skin spot, scab and black dot
  6. Rapid direct tuber test for virus in Potato (PVY)
    This rapid direct tuber test includes Potato virus Y (PVY) as standard.

    Further viruses are available for an additional fee. These are Potato leaf roll virus (PLRV) and potato viruses PVA, PVV and PVX.

  7. Standard growing on test for virus in Potato (PVY)
    This growing on test takes six to eight weeks where tubers are grown on in the glasshouse and subsequently tested for various PVY strains and any specific viruses as requested using ELISA.
  8. Spraing test for symptomatic tubers (Tobacco rattle virus & Potato mop top virus)

    Tests for the 2 viruses responsible for spraing, the nematode transmitted Tobacco rattle virus (TRV) and the Powdery scab transmitted Potato mop top virus (PMTV)

  9. Potato wash water test - Total count of soft rotting bacteria (Pectobacterium and Dickeya spp.)
    An overall count of soft rotting bacteria in potato wash water.
  10. Cyst Nematodes (including Beet Cyst Nematode and Cereal Cyst Nematode): extraction from soil (1kg Soil)

    An ISO accredited test for the extraction and identification of potato cyst nematode (PCN) species Globodera rostochiensis and Globodera pallida from soil.

  11. Potato spindle tuber viroid by TaqMan® - Seeds

    The common symptoms of Potato spindle tuber viroid (PSTVd) can include stunted growth and changes in the foliage colour in extensively affected crops.

  12. Diagnose My Crop Problem
    We understand that every case is different and often you may not know the likely cause of the problem. For these cases we offer an examination of your sample by our crop health experts to assess the most probable cause.

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