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Improve this year's yield

We offer a full range of UKAS accredited services to ensure a healthy crop yield; from testing that ensures input stocks, such as home saved seed, are virus free to pest and disease management tools for when your spuds are in the ground.

5 Day Tuber Testing

Confirmation of virus levels in tubers (sample size 120).

Testing for PVY - £260 (excl. VAT)

Each additional virus (PVA, PVX, PLRV, PVV) - £75 (excl. VAT)

Order now or get in touch to discuss your requirements.



Sample Size


Potato Brown rot and Ring rot (Official EU protocol) 5 days 210 tubers £217.00 per sample
Soft rotting bacteria (average tuber inoculum load)
Total count of soft rotting bacteria.
10 days 100 tubers £105.00 per sample
Identification and quantification of bacteria causing soft rotting and black leg
(Pectobacterium/Dickeya species)
15 days 100 tubers £243.00 1st sample. £148.00 subsequent
Determination of Streptomyces species by PCR
(Common scab)
5 days 12+ tubers £POA
Gangrene latent test 16 weeks 50 tubers £159.00 per sample
Scab - powdery (Spongospora) and common (Streptomyces)
If there are multiple scabs, the test will be performed on the predominant symptom unless instructed otherwise.
3 days
5 days
12 + tubers - symptomatic
  • £85.00 Visual Exam
  • £192.00 Visual exam wiht TaqMan PCR assay
  • Tuber blemish diseases
    Visual assessment, % coverage (silver scurf, black scurf, skin spot, scab, black dot and greening).
    14 days 50 tubers £169.00 per sample
    Rapid direct tuber test for virus 5 days 120 tubers
  • £260.00 - Potato virus Y only.
  • £75.00 - Extra viruses (each)
  • Spraing
    Testing symptomatic tubers for 2 viruses by TaqMan® PCR, Tobacco rattle virus and Potato mop top virus.
    10 days 6 tubers - symptomatic £169.00 per sample

    Standard growing on test for virus



    Sample Size


    Peak testing period: September - February 6-8 weeks 120 tubers
  • £143.00 - Potato virus Y only.
  • £34.00-Extra viruses (each).
  • Off-peak testing period: March - August 6-8 weeks 120 tubers
  • £205.00 - Potato virus Y only.
  • £34.00-Extra viruses (each).
  • For the above virus tests a Post-harvest virus testing of potato tubers form must be completed and submitted with your sample/s when requesting this service.

    For the following tests, see the Soil, Compost and Growing Media and Turf/Water pages:

    • Powdery scab (Spongospora subterranea)
    • Spraing - Potato mop top virus
    • Spraing - Tobacco rattle virus
    • Spraing: soil bait test - Tobacco rattle virus and Potato mop top virus combined test
    • Powdery scab (Spongospora subterranea) and Potato mop top virus combined test
    • Nematode tests

    For Potato wash water test - see Water.

    Relevant soil, compost, water and seed tests are listed separately: Soil, Compost and Growing Media, Seeds, Water.


    • Timescales given are working days or weeks.
    • A 'sample' is defined as a unique unit sent in for examination of the same problem. A unit can be a single item (plant, plant part, soil, etc.), or multiple items of the same variety, taken from the same location and exhibiting the same problem. In the case of plants or produce, a sample should comprise 2 or 3 items showing a range of symptoms along with a couple of healthy looking items for comparison. Entirely dead material should not be submitted for testing.
    • † Services have been accredited by the United Kingdom Accreditation Service to BS/EN/ISO/IEC 17025:1999 General Requirements for the Competence of Testing and Calibration Laboratories for tests detailed in the schedule of accreditation number 1642 (available at

    Advice on submitting a sample

    Information on packaging your sample, completion of forms, and sending samples from outside the UK.

    Sample submission

    Contact Us - Agri-Hort

    T: +44 (0)300 100 0322

    Contact Us

    Plant Clinic Price List 2016/7

    Download the latest brochure here Plant Clinic Price List 2016/7 brochure

    • Specific Tests - Bacterial, Virus, Nematodes, GM, Mixed, Pest & Fungal
    • Bespoke Consultancy Service - personal approach designed for you
    • Extensive range of experts & suite of data insight online tools
    • Coming Soon - New Online Portal you can book in your samples at a time that suits you for a faster, more convenient experience
    • CHANGES - our invoicing process is changing from 1 Feb 2017. When we receive your sample we will send you an invoice, which will confirm your order

    General Pest & Disease Sample Submission form

    Download our Plant Clinic sample submission form here

    • Wide range of tests available as standard and diagnosing the unknown
    • Secure online sample tracking system with SamTrack
    • National Collection of Plant Pathogenic Bacteria