Statutory action against findings. A survey to assess the distribution of Ca. Phytoplasma asteris in the UK and which sub-groups are present. Research into whether UK isolates infect potatoes.
Phytoplasma pest with a wide host range, present in the UK, elsewhere in Europe and beyond. Not known to infect potato crops in Europe and import prohibitions effectively mitigate the risk of further introductions by this means.Uncertainty about the risk to potatoes are not infected and the role of vectors.