EPPO Global Database

Ralstonia solanacearum sensu lato(RALSSO)

Distribution details in Portugal

Current pest situation evaluated by EPPO on the basis of information dated 2017: Present, few occurrences
Pest status declared by NPPO: Present, only in the greenhouses concerned, under eradication (2017-06)
The bacterium was found in potato fields in the 1940s and early 1950s and successfully eradicated.

A new outbreak was found in April/May 1995 in the centre-coastal region (EPPO Reporting Service (1996/22) ). Source was probably infected seed potatoes imported from Netherlands. Under eradication.

EPPO Reporting Service (1997/111) : measures maintained in outbreak area. Only one field found infested in 1996.

EPPO Reporting Service (2010/102) : biovar 1 strains were detected in some potato fields (Baixo Mondego region), under eradication.

EPPO Reporting Service (2017/172) : in 2016-2017, 4 outbreaks were detected in glasshouse roses (plants were asymptomatic). Under eradication.
* Cruz L, Eloy M, Quirino F, Carrinho H (2008) Ralstonia solanacearum biovar 1 associated with a new outbreak of potato brown rot in Portugal. Phytopathologia Mediterranea 47(2), 87-91.

* NPPO of Portugal (1996-02, 1997), 2017-01, 2017-02, 2017-03, 2017-06).
Situation in neighbouring countries
Country State Status
Spain Present, few occurrences view...