On Thursday 11th February 2021 Defra introduced legislation which implements new measures for Xylella following the consultation and Defra's response. The new legislation is summarised in this letter with further details provided in an annex. The list of Xylella hosts is found here in Table 5. Please refer to this Q&A document for more information.
These new measures will come into force on 4th March 2021
More information on Xylella can be found on the Portal here.