WebMay 18, 2024 · Chrysanthemum White Rust, caused by the fungus Puccinia horiana P. Henn., is a quarantine significant pest in the United States (Title 7, Code of Federal Regulations, Part 319.37 and 319.74).Importation of certain Chrysanthemum (including Dendranthema), Leucanthemella, and Nipponanthemum species are prohibited from … WebChrysanthemum 'Cathy's Rust' Plants : Chrysanthemum 'Emperor of China' Plants : Chrysanthemum 'Niche's October Glow' Plants ... Plants : Chrysanthemum x rubellum 'Clara Curtis' Plants : Chrysanthemum x superbum 'Becky' Plants : Chrysogonum virginianum 'Eco Lacquered Spider' Plants : Chrysogonum virginianum var. australe: …
Chrysanthemum White Rust: Good Management …
WebFeb 16, 2024 · Chrysanthemum White Rust, caused by the fungus Puccinia horiana P. Henn., is a quarantine significant pest in the United States (Title 7, Code of Federal Regulations, Part 319.37 and 319.74). Importation of certain Chrysanthemum (including Dendranthema), Leucanthemella, and Nipponanthemum species are prohibited from … WebFeb 27, 2013 · Chrysanthemum white rust (CWR), caused by the fungus Puccinia horiana, is a serious disease with the potential to cause widespread damage both within the … how many sq ft in a 10 ft diameter circle
USDA APHIS Chrysanthemum White Rust Background
Chrysanthemum is a genus of about 20 species grown mostly for their showy flowers. Many hybrids have been developed which are a mainstay of the fall garden. Genus name comes from the Greek words chrysos meaning gold and anthemon meaning flower. 'Cathy's Rust' is a clump-forming, fall-blooming garden mum that typically grows 2-3' tall and to 1-2 ... WebNov 11, 2024 · You won't find 'Cathy's Rust' chrysanthemum at your average garden center because it isn't grown by the millions in … WebChrysanthemum - Rust (Brown Rust) Cause Puccinia horiana, a microcyclic rust. This federally quarantined disease was rarely reported until the early 1990s when several California nurseries reported problems. It … how did sofaygo get his name