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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

Synonym: Pseudomonas solanacearum

Common names: Southern bacterial wilt, potato brown rot

Click image to enlarge

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 Internet Resources:

Federal Government

USDA. APHIS. Plant Protection and Quarantine.
Identification/Description; Photographs; Introduction History; Impacts; Life Cycle; Distribution; Legal Aspects

Ralstonia solanacearum Article Citation Search - AGRICOLA Database
USDA. National Agricultural Library.
Research; Special Note: NAL Catalog Search (resources)

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State Government

Ralstonia solanacearum on Geraniums
Minnesota Department of Agriculture. Agronomy and Plant Protection Division.
Photographs; Introduction History

Southern Bacterial Wilt Pest Alert (PDF | 251 KB)
New York State Department of Agriculture and Markets. Cooperative Agricultural Pest Survey.
Identification/Description; Photographs; Introduction History; Impacts; Dispersion; Controls

Bacterial Wilt of Potato (PDF | 84 KB)
Rhode Island Department of Environmental Management. Division of Agriculture. Cooperative Agricultural Pest Survey.
Photographs; Introduction History; Impacts; Dispersion

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Ralstonia solanacearum
University of Florida. Institute of Food and Agricultural Sciences.
Identification/Description; Photographs; Distribution; Research

Southern Bacterial Wilt - Disease Identification and Management Series (PDF | 319 KB)
Louisiana State University. Research and Extension.
Identification/Description; Photographs; Dispersion; Controls

Southern Bacterial Wilt
University of Massachusetts. Extension.
Identification/Description; Photographs; Controls

Bacterial Wilt - Ralstonia solanacearum
Pennsylvania State University. Extension.
Identification/Description; Introduction History; Habitat; Controls

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Ralstonia solanacearum - Invasive Species Compendium
Centre for Agricultural Bioscience International (CABI).
Taxonomy; Identification/Description; Impacts; Life Cycle; Habitat; Distribution; Controls

Bacterial Wilt of Geraniums - Ralstonia solanacearum
Canadian Food Inspection Agency.
Identification/Description; Photographs; Life Cycle; Habitat; Distribution; Legal Aspects

Bacterial Wilt of Potato Ralstonia solanacearum (PDF | 254 KB)
Centro Internacional de la Papa (International Potato Center).
Photographs; Habitat; Controls; Research

Ralstonia solanacearum (PDF | 70 KB)
European and Mediterranean Plant Protection Organization.
Taxonomy; Identification/Description; Life Cycle; Habitat; Distribution; Dispersion; Controls

Brown Rot of Potato (PDF | 235 KB)
United Kingdom Department for Environment, Food, and Rural Affairs. Food and Environment Research Agency.
Identification/Description; Photographs; Introduction History; Distribution; Dispersion; Controls; Legal Aspects

Bacterial Wilt: Exotic Threat to Western Australia (Mar 2001; PDF | 165 KB)
Western Australia Department of Agriculture.
Identification/Description; Photographs; Impacts; Distribution

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Southern Bacterial Wilt Update for Georgia County Agents
Georgia Invasive Species Task Force.
Identification/Description; Distribution; Dispersion; Controls; Legal Aspects

Bacterial Wilt
Massachusetts Introduced Pests Outreach Project.
Identification/Description; Photographs; Habitat


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: Jul 01, 2014
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