Erwinia rhapontici
rhubarb crown rot
Aplanobacter rhapontici, Bacillus rhapontici, Bacterium rhapontici, Erwinia carotovora var. rhapontici, Pectobacterium rhapontici, Phytomonas rhapontici, Pseudobacterium rhapontici,Xanthomonas rhapontici
Asia, Europe, Canada, Mexico, New Zealand
Western and Midwest states
2023-04-20
bacteria
Brazil
Primarily rhubarb and wheat. Reported on a few vegetables.
ERWIRH
Brazil lists this as Pectobacterium rhapontici.
6 Known Hosts
Allium cepa
onion
No
CABI CPC, ISF RPLD
This bacteria is a wound pathogen known to occur on onions. No references found indicating seed as a pathway in onion. Seed can be a pathway in peas and bean.
0000-00-00 00:00:00
Chicorium spp.
chicory
No
No evidence that seed is a pathway. No references found indicating chicory seed is a pathway.
0000-00-00 00:00:00
Dianthus spp.
carnation
No
No evidence that seed is a pathway. No references found indicating seed is a pathway in dianthus spp.
2025-07-14 08:39:20
Solanum lycopersicum
tomato
No
E. rhapontici is a wound pathogen and tomato has been reported as a minor host, however, it is not commonly found on tomato. No references found indicating tomato seed as a pathway
0000-00-00 00:00:00
Triticum spp.
wheat
No
ERWIRH-1
The disease may be more significant in affecting the quality of the seed rather than yield. There is no evidence of seed transmission. The status of this bacteria as a plant pathogen has not been well-established, and it may be an opportunist pathogen.
0000-00-00 00:00:00
Roberts, P.; 1974. Erwinia rhapontici (Millard) Burkholder Associated with Pink Grain of Wheat. Journal of Applied Bacteriology, 37(3), 353–358. https://doi.org/10.1111/j.1365-2672.1974.tb00451.x
verbena x hybrida
verbena
No
ERWIRH-2
No references were found indicating verbena seed is a pathway. One reference was found noting Erwinia sp was found on Verbena x hybridia in Italy but no new information was found since.
2025-07-14 08:43:36
Garibaldi, A., Bertetti, D., Moretti, C., Buonaurio, R., & Gullino, M. L. (2011). First report of bacterial blight caused by an unknown Erwinia sp. on Verbena × hybrida in Italy. Journal of Plant Pathology, 93(1), 243.
Search the database