Outbreaks of Synchytrium endobioticum in the EPPO region
The EPPO Secretariat has summarized below the new outbreaks of Synchytrium endobioticum (potato wart disease, EPPO A2 List) reported from EPPO countries in 2025, and the official pest status.
- Czechia: one outbreak in a small field of potato grown for personal consumption in Pokojov municipality (Jihovýchod region).
Present, in specific parts of the Member State, where host crop(s) are grown, under eradication.
- Germany: during official surveys in 2025, several outbreaks in Bavaria (on ware potato for industrial processing and ware potato for consumption), 1 outbreak on seed potato. The pathotype identification for the outbreak on seed potato has revealed that this is a new pathotype which has not been described so far in the EU.
Present, few occurrences, at low prevalence, under eradication.
- Italy: one outbreak in a small field of potato grown for personal consumption in Sant'Orsola Terme (Trento region) detected in August 2025. The NPPO notes that the disease was reported in Italy in the early 1970s only in a limited outbreak in Valtellina from which the pest was eradicated.
Present, in specific parts of the Member State, where host crop(s) are grown, under eradication.
Sources
NPPO of Italy (2025-09).
NPPO of Germany (2025-12).
NPPO of Czechia (2025-10).