Chrysanthemum stunt viroid (CSVd)

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  • Preferred contact Method:

  • Telephone

We will use the email address provided above to contact you about this service within 2 working days

Chrysanthemum stunt viroid (CSVd)
  • Method Used
    TaqMan® PCR test
  • Accreditation
  • Standard Turnaround Time
    10 working days

This viroid is mostly found to infect Chrysanthemum and related ornamentals. Symptoms can be so severe that infected finished crops of flowers are unsuitable for sale. There is no chemical control for CSVd.

The viroid can survive from one season to the next in infected plants and is contact transmissible.

A molecular test is used to identify presence of the viroid in samples.

When sending plant pathogens and invertebrate samples from outside England and Wales for testing please email the Crop health team ( who will issue you with the relevant Letter of Authority to ensure your samples are not delayed upon entry to the UK. Chrysanthemum

Submitting your Sample

When submitting your sample please follow the guidelines outlined within our sample shipping information.

The relevant signed sample submission form must be included (in a separate bag if sample is damp); failure to send a sample submission form may result in a delay of your sample being tested and make diagnosis more difficult. To help us process your samples in the most efficient way please fill in as much information as possible on the relevant form below. Please ensure you provide your email address, 'Your Ref', 'Purchase order no' and 'Name and Address for Invoice' in the sections where applicable.

Download the sample submission form here



Method Used

TaqMan® PCR test



Sample Information

Symtomatic Leaves/Plant



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