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.

Diagnose my Plant
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  1. Bacterial spot - Xanthomonas spp. - tomato or pepper
    Test to detect Xanthomonas spp. (Xanthomonas euvesicatoria, Xanthomonas gardeneri, Xanthomonas perforans and Xanthomonas vesicatoria) in tomato and sweet pepper seeds
  2. Tomato mosaic virus by ELISA - Seeds
    Tomato mosaic virus (TMV), is an infection that can cause yellowing and stunting of tomato plants, resulting in reduced yield and may cause uneven ripening of fruit.
  3. 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).
  4. DNA sequencing of 16S rDNA or housekeeping genes
    DNA sequencing of 16S rDNA or housekeeping genes can be performed to identify bacterial isolates to a species or pathovar level. Testing can be performed on fresh isolates sent in to our labs or as an additional service to identify bacteria isolated from a sample sent in for testing.
  5. Pea bacterial blight - Pseudomonas syringae pv. pisi - Pea seed
    Test for Pseudomonas syringae pv. pisi, more commonly known as pea bacterial blight. Infection causes water-soaked spots which may coalesce into larger lesions.
  6. Alternaria spp. Seed Test

    Test to detect the presence or absence of the genus Alternaria in Seeds.

    A quantitative test is available on request.

  7. Pospiviroid seed testing package (1500 seeds)

    Pospiviroid positives detected by real time RT-PCR (TaqMan) are tested by RT-PCR and sequencing to try to identify and confirm the pospiviroid.

  8. Potato spindle tuber viroid (PSTVd) seed testing package (1500 seeds)

    Potato spindle tuber viroid (PSTVd) effects tomato, pepper and other solanaceous hosts. Symptoms include stunting, severe yellowing and distortion of the leaves. PSTVd is seed transmitted. 1500 seeds are tested for Potato spindle tuber viroid (PSTVd) by real time RT-PCR (TaqMan). However, this TaqMan assay also detects Tomato chlorotic dwarf viroid (TCDVd), Mexican papita viroid (MPVd) and Tomato planta macho viroid (TPMVd).

  9. Identification and confirmation of pospiviroid seed positive

    Pospiviroid positives detected by real time RT-PCR (TaqMan) are tested by RT-PCR and sequencing to try to identify and confirm the pospiviroid.

  10. 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.
  11. Pepino mosaic virus in seed by ELISA
    Pepino mosaic virus (PepMV) affected tomatoes show distorted leaf development, with bubbling of the leaf surface and chlorosis.
  12. Pea seed-borne mosaic virus by ELISA - Seeds
    Pea seed-borne mosaic virus (PSbMV) a seed and aphid transmitted virus that causes yield losses and seed defects in a range of bean and pea crops.

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