EPPO Global Database

Puccinia horiana(PUCCHN)

Distribution details in United States of America (Pennsylvania)

Current pest situation evaluated by EPPO on the basis of information dated 2012: Transient, under eradication
First recorded in: 1978
From CABI Disease map 403 (2008): Present, no details
Outbreak of 1978 eradicated.

EPPO Reporting Service (2007/187) : one outbreak reported in September 2006, eradicated.

Additional detections were made in 22 Pennsylvania counties (2004, 2006 to 2010), and submitted to eradication measures. Studies done on a few plants which had been found infected in 2010 in 6 outdoor garden locations in University Park showed that the fungus could overwinter in Pennsylvania (the disease was observed again in 2012).
* FAO (1978) FAO Plant Protection Bulletin 26 (1), 31.

* NAPPO Pest Alert System. Official Pest Reports (2006-09-27) Chrysanthemum white rust, Puccinia horiana, found in Pennsylvania - United States. http://www.pestalert.org/oprDetail_print.cfm?oprid=231 (last retrieved in 2007-10)
------- First report from Pennsylvania.

* O'Keefe G (2012) First confirmed report that Puccinia horiana, causal agent of chrysanthemum white rust, can overwinter in Pennsylvania. Plant Disease 96(9), p 1381.

* USDA (1984) Pests not known to occur in the United States or of limited distribution. No. 57 Chrysanthemum white rust, Puccinia horiana. USDA APHIS-PPQ, Beltsville, USA.
------- Absent, pest eradicated
Situation in neighbouring countries
Country State Status
Canada British Columbia Present, few occurrences view...
Canada Ontario Absent, pest eradicated view...
Canada Transient, under eradication view...
Mexico Present, few occurrences view...