Synchytrium endobioticum found in Sweden
In 2017, the NPPO of Sweden has reported several outbreaks of Synchytrium endobioticum (EPPO A2 List) on its territory. In all cases, phytosanitary measures have been taken to eradicate the disease, and further laboratory studies will be conducted to identify the race(s) found.
County of Blekinge
In September 2017 during harvest of potatoes (Solanum tuberosum cv. Quadrigo) grown for starch production, symptoms of potato wart disease were noticed by a farmer who then contacted the Swedish Board of Agriculture. The infected field (5.5 ha) is located in the municipality of Sölvesborg. It is noted that this field is situated in the vicinity of an area where S. endobioticum race 18 had been recorded before but no longer detected since 2008. In the same county, infected tubers were also discovered by a farmer in September 2017 when delivering potatoes (cv. Kuras) to the starch industry. The infected field (1 ha) is located in the municipality of Karlshamn.
County of Skåne
In October 2017, potato wart disease was initially noticed on potato tubers at the time of harvest by a farmer who then contacted the Swedish Board of Agriculture. The infested field (5 ha) is located in the municipality of Kristianstad.
County of Värmlands
In October 2017, during the harvest of ware potatoes (cv. King Edward), a farmer discovered infected tubers and contacted the Swedish Board of Agriculture. The infected field is located in the municipality of Säffle.
The pest status of Synchytrium endobioticum in Sweden is officially declared as: Present, only in some parts of the Member State concerned.
NPPO of Sweden (2017-09, 2017-11).