Pseudomonas cichorii
bacterial blight of endive
Bacterium cichorii, Bacterium endiviae, Bacterium formosanum, Chlorobacter cichorii, Phytomonas cichorii, Phytomonas endiviae,Pseudomonas endiviae Kotte, Pseudomonas formosanum, Pseudomonas papaveris, Pseudomonas papaveris
Worldwide
Widespread, localized outbreaks
2022-12-01 19:43:10
bacterium
Thailand
Primarily lettuce, endive and other Asteraceae species.
PSDMCI
Pseudomonas cichorii has been shown to survive on artificially inoculated lettuce seeds. Many references have reported P. cichorii as seed transmitted, but despite field observation of early infections in hosts, there is no experimental data on transmission by seed.
5 Known Hosts
Lactuca sativa
lettuce
No
PSDMCI-2,PSDMCI-3
Pathway not proven. Pseudomonas cichorii has been shown to survive on artificially inoculated lettuce seeds (PSDMCI-3). Many references have reported P. cichorii as seed transmitted, but despite field observation of early infections in hosts, there is no experimental data on transmission by seed.
Yes
Seed wash
PSDMCI-2
Only cultural controls in the field are effective (irrigation control, plant density, weed control, etc.)
Seed production in dry climates are unfavorable for this pathogen. Only cultural controls in the field are effective (irrigation control, plant density, weed control, etc.)
PSDMCI-2
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon, Switzerland
Ohata, K.I., Tsuchiya, Y. and Shirata, A. (1979). Difference in kinds of pathogenic bacteria causing head rot of lettuce of different cropping types. Annals of the Phytopathogenic Society of Japan 45, 333-338.
Apium graveolens
celery
No
No references found indicating seed is a pathway.
Cichorium endivia
endive
No
No references found indicating seed is a pathway.
Chrysanthemum spp.
chrysanthemum
No
No references found indicating seed is a pathway.
Daucus carota
carrot
No
PSDMCI-2
Not proven to be a host. Several references indicated the pathogen was isolated in rotting roots, but pathogenicity was not proven.
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon, Switzerland
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