EPPO Global Database

Ralstonia solanacearum species complex(RALSSO)

Distribution details in United States of America

Situation
Current pest situation evaluated by EPPO on the basis of information dated 2020: Present, restricted distribution
Pest status declared by NPPO: Ralstonia solanacearum (race 3 biovar 2): Absent and eradicated (2020-06)
Comments
From NPPO (1992): widespread.

EPPO Reporting Service (2001/124) : reported in 1999, not in potato, but in pelargonium, In Wisconsin, South Dakota and Pennsylvania (not confirmed as to race).

EPPO Reporting Service (2002/099) : found in particular on pelargonium.

EPPO Reporting Service (2003/064) : R. solanacearum race 3 biovar 2 in Pelargonium in 4 glasshouses in Illinois, Indiana, Michigan and Wisconsin.

EPPO Reporting Service (2004/062) : found again in 2003-12 in one glasshouse in New York state. Traced back to imports from Guatemala

EPPO Reporting Service (2007/045) : also irrigated tomato crops, and aquatic weeds.

EPPO Reporting Service (2020/099) : race 3 biovar 2 detected in a symptomatic geranium (Pelargonium sp. Fantasia ‘Pink Flare’) sample collected from a greenhouse in Michigan. Under eradication.

EPPO Reporting Service (2020/137) : the above outbreak on pelargonium was officially declared eradicated in June 2020.
References
* Hong JC, Norman DJ, Reed DL, Momol MT, Jones JB (2012) Diversity among Ralstonia solanacearum strains isolated from the southeastern United States. Phytopathology 102:924-936.

* Ji P, Allen C, Sanchez Perez A, Yao J, Elphinstone JG, Jones JB and Momol MT (2007) New diversity of Ralstonia solanacearum strains associated with vegetable and ornamental crops in Florida. Plant Disease 91:195-203.

* NAPPO Phytosanitary Alert System. Official Pest Reports.
- USA (2020-06-23) Ralstonia solanacearum race 3 biovar 2: eradicated from US greenhouses. https://www.pestalerts.org/official-pest-report/ralstonia-solanacearum-race-3-biovar-2-eradicated-u-s-greenhouses
- USA (2020-04-22) Ralstonia solanacearum race 3 biovar 2: detection in a United States greenhouse. https://www.pestalerts.org/official-pest-report/ralstonia-solanacearum-race-3-biovar-2-detection-united-states-greenhouse

* Williamson, L.; Nakaho, K.; Allen, C.; Hudelson, B.; (2001) Ralstonia solanacearum race 3, biovar 2 isolated from geranium in Wisconsin. Phytopathology, 91(6), S95.
Situation in neighbouring countries
Country State Status
Canada Absent, pest eradicated view...
Canada Ontario Absent, pest eradicated view...
Mexico Present, restricted distribution view...