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You are here: Home / Microbes / Species Profiles / Southern Bacterial Wilt
Species Profiles

Southern Bacterial Wilt

Southern Bacterial Wilt

Scientific name: Ralstonia solanacearum race 3 biovar 2 (CABI)

Synonym: Pseudomonas solanacearum (CABI)

Common names: Southern bacterial wilt, potato brown rot

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Selected Resources

Native To: Possibly the Andean highlands of South America (Champoiseau et al. 2010)

Date of U.S. Introduction: First detected on imported geraniums in 1999 (Champoiseau et al. 2010)

Means of Introduction: Contaminated imported plant stock (Champoiseau et al. 2010)

Impact: Disease of geraniums and solanaceous crops (potatoes are particularly susceptible to this race of the disease) (Champoiseau et al. 2010)

Current U.S. Distribution:


Selected Resources:

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Fact Sheet: Bacterial Wilt
Massachusetts Introduced Pests Outreach Project.

Pest Alert: Ralstonia solanacearum
North Central Integrated Pest Management Center.

Invasive Species Compendium - Ralstonia solanacearum
CAB International.

Plantwise Technical Factsheet - Bacterial Wilt of Potato (Ralstonia solanacearum)
CABI. Plantwise Knowledge Bank.

EPPO Global Database - Ralstonia solanacearum
European and Mediterranean Plant Protection Organization.

Federal Government

Plant Pests and Diseases Program: Plant Disease - Ralstonia
USDA. APHIS. Plant Protection and Quarantine.

International Government

Diseases - Bacterial Wilt of Geraniums
Canadian Food Inspection Agency.

Brown Rot of Potato (PDF | 235 KB)
Department for Environment Food and Rural Affairs (United Kingdom).
See also: Pest and Disease Factsheets for more fact sheets.

State Government

Southern Bacterial Wilt Pest Alert (PDF | 251 KB)
New York State Department of Agriculture and Markets. Cooperative Agricultural Pest Survey.
See also: Fruit and Vegetable Invaders for more fact sheets

Pest Alert: Bacterial Wilt of Potato (PDF | 84 KB)
Rhode Island Department of Environmental Management. Division of Agriculture. Cooperative Agricultural Pest Survey.
See also: Pest Alerts for more resources


Disease Identification and Management Series - Southern Bacterial Wilt (Apr 2008; PDF | 319 KB)
Louisiana State University. AgCenter Research and Extension.
Publication 3052
See also: Plant Diagnostic Center - Publications for more resources

Fact Sheets: Diseases - Southern Bacterial Wilt
University of Massachusetts - Amherst. UMass Extension. Greenhouse Crops & Floriculture Program.

Plant Diseases: Bacterial Wilt - Ralstonia solanacearum
Pennsylvania State University. Cooperative Extension.


CABI. Invasive Species Compendium. Ralstonia solanacearum. CAB International. [Accessed Mar 22, 2015].

Champoiseau, P.G., J.B. Jones, T.M. Momol, P. Ji, C. Allen, D.J. Norman, C. Harmon, S.A. Miller, T. Schubert, D. Bell, J.P, Floyd, D. Kaplan, R. Bulluck, K. Smith, and K. Cardwell. 2010. Recovery Plan for Ralstonia solanacearum Race 3 Biovar 2: Causing Brown Rot of Potato, Bacterial Wilt of Tomato, and Southern Wilt of Geranium (PDF | 585 KB). USDA Office of Pest Management Policy, National Plant Disease Recovery System.

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Last Modified: Sep 03, 2018
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