Karnal Bunt

Scientific name: Tilletia indica Mitra (1931)

Common names: Karnal bunt, partial bunt

Native To: First discovered in India (Bonde et al. 1997)

Date of U.S. Introduction: First detected in the U.S. in 1996 (Bonde et al. 1997)

Images: Invasive.org and Google

Means of Introduction: Unknown, possibly arrived from Mexico in shipments of contaminated grain (Marshall et al. 2003)

Impact: Fungal disease that infects wheat, reducing quality and yield (Bonde et al. 1997)

Current U.S. Distribution: Southwestern U.S.

• APHIS National Survey Maps
• National Agricultural Pest Information System - Pest Tracker - Reported Status

Management Plans: Microbes

Selected Internet Resources:

• Federal Government
• State Government
• University/Academic
• International
• Organizations

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

Karnal Bunt
USDA. Animal and Plant Health Inspection Service.
Identification/Description; Photographs; Introduction History; Impacts; Distribution; Dispersion; Controls; Legal Aspects

State Government

Karnal Bunt or Partial Bunt of Wheat (Feb 2006; PDF | 18 KB)
Kansas State Department of Agriculture.
Photographs; Introduction History; Habitat; Distribution; Dispersion; Legal Aspects

Karnal Bunt Situation Update
Nebraska Department of Agriculture. Animal and Plant Health Protection.
Introduction History; Legal Aspects

Karnal Bunt (Tiletia indica)
Ohio Department of Agriculture.
Photographs; Introduction History; Distribution

Karnal bunt
Oregon Department of Agriculture. Commodity Inspection Division.
Identification/Description; Photographs; Impacts; Distribution; Dispersion; Legal Aspects

Karnal Bunt Disease
Texas Department of Agriculture.
Identification/Description; Photographs; Introduction History; Impacts; Distribution; Controls

Cultural Practices for Karnal Bunt Control
University of Arizona. Cooperative Extension.
Identification/Description; Life Cycle; Habitat; Distribution; Controls

Karnal Bunt of Wheat - UC Pest Management Guidelines
University of California. Statewide Integrated Pest Management Project.
Identification/Description; Photographs; Introduction History; Impacts; Distribution; Dispersion; Controls

Karnal Bunt: Tilletia (Neovossia) indica (Feb 1997; PDF | 141 KB)
University of Georgia Cooperative Extension Service.
Photographs; Illustrations; Introduction History; Impacts; Habitat; Dispersion

Karnal Bunt of Wheat (May 1997; PDF | 113 KB)
University of Idaho.
Introduction History; Impacts; Habitat; Distribution; Dispersion; Controls; Legal Aspects

Karnal Bunt: Questions and Answers (Jan 2003; PDF | 81 KB)
Kansas State University. Cooperative Extension Service.
Identification/Description; Photographs; Illustrations; Introduction History; Impacts; Controls; Legal Aspects

Karnal Bunt in Texas Wheat (PDF | 58 KB)
Texas A&M University System. Texas Agricultural Extension Service.
Photographs; Introduction History; Impacts; Distribution; Controls

Karnal (Partial) Bunt - Exotic Pest Monitoring Series (PDF | 151 KB)
Utah State University.
Photographs; Impacts; Controls

Karnal Bunt: What Is It?, Is It a Problem for Virginia Producers?, and Where Can You Find Up-To- Date Information? (Jun 1996)
Virginia Polytechnic Institute and State University. Virginia Cooperative Extension.
Identification/Description; Impacts; Distribution; Dispersion; Legal Aspects

International

Karnal Bunt
Australia Department of Agriculture, Fisheries, and Forestry. Australian Quarantine and Inspection Service.
Impacts; Distribution

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

Wheat Doctor: Karnal Bunt
Consultative Group on International Agricultural Research. International Maize and Wheat Improvement Center.
Identification/Description; Photographs

Karnal Bunt (PDF | 385 KB)
Department for Environment, Food, and Rural Affairs (United Kingdom).
Identification/Description; Photographs; Introduction History; Impacts; Life Cycle; Distribution; Dispersion

Data Sheets on Quarantine Pests: Tilletia indica (PDF | 42 KB)
European and Mediterranean Plant Protection Organization.
Taxonomy; Identification/Description; Impacts; Life Cycle; Habitat; Distribution; Dispersion; Controls; Special Note: Bibliography

Karnal Bunt of Wheat
Pests and Diseases Image Library (Australia).
Identification/Description; Photographs

Karnal Bunt of Wheat Technical Manual
South Africa Department of Agriculture. Directorate of Plant Health and Quality.
Identification/Description; Photographs; Impacts; Life Cycle; Habitat; Distribution; Dispersion; Controls

APS Karnal Bunt Symposium, June 24 - August 16, 1996
American Phytopathological Society.
Identification/Description; Photographs; Introduction History; Impacts; Life Cycle; Controls; Legal Aspects

Karnal bunt
Invasive.org.
Photographs

Citations

Bonde, M.R., G.L. Peterson, N.W. Schaad, and J.L. Smilanick. 1997. Karnal Bunt of Wheat. Plant Disease 81(12):1370-1377.

Marshall, D., T.T. Work, and J.F. Cavey. 2003. Invasion Pathways of Karnal Bunt of Wheat into the United States. Plant Disease 87(8):999-1003.