John W. Dooley, USDA APHIS PPQ,
Chrysanthemum White Rust
Puccinia horiana

Chrysanthemum White Rust (Puccinia horiana ) is a fungal pathogen of chrysanthemum. It is a native of Asia and was first detected in New York in 1978.

This rust disease can survive only under limited environmental conditions.

Visit the Chrysantthemum White Rust program page for more information about this pest.

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