An official website of the United States government.

The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely.

Chrysanthemum White Rust

View all resources
Chrysanthemum white rust, symptoms
Chrysanthemum white rust, symptoms - Photo by Flroida Division of Plant Industry, Florida Department of Agriculture and Consumer Services
Scientific Name: 

Puccinia horiana Henn. (Whipps 1993)

Common Name: 
Chrysanthemum white rust
Native To: 
Date of U.S. Introduction: 

There have been several outbreaks in the U.S., but the disease has been eradicated each time. (Hernández 2004)

Means of Introduction: 

Potential of this organism to be transported with prohibited articles of chrysanthemum. (APHIS 2008)

Impact: 

Has become established throughout most of the world. If established in the U.S., chrysanthemum white rust could have significant impact on both greenhouse and outdoor chrysanthemum plants. (Hernández 2004)

Current U.S. Distribution: 
Not currently established

Federally Regulated

U.S. Government Printing Office. Electronic Code of Federal Regulations.

Images

University of Georgia. Center for Invasive Species and Ecosystem Health.

Videos

Google. YouTube; New York State Flower Industries.

Selected Resources

The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Chrysanthemum White Rust.

Partnership
Federal Government
USDA. ARS. Systematic Mycology and Microbiology Laboratory.
USDA. APHIS. Plant Protection and Quarantine.
State and Local Government
Minnesota Department of Agriculture.
Academic
Michigan State University. Integrated Pest Management Program.
See also: Forecasting Invasion Risks for more factsheets
University of Massachusetts - Amherst. UMass Extension. Greenhouse Crops & Floriculture Program.

Citations