Pseudomonas syringae pv. papulans (blister spot of apple)

Pictures

Picture	Title	Caption	Copyright
Title Symptoms Caption Shiny, raised blister spot lesions on Mutsu apple. Copyright W.G. Bonn	Symptoms	Shiny, raised blister spot lesions on Mutsu apple.	W.G. Bonn
Title Symptoms Caption Expanded blister spot lesions on mature Cortland apple. Copyright Alan L. Jones	Symptoms	Expanded blister spot lesions on mature Cortland apple.	Alan L. Jones

Identity

Preferred Scientific Name

• Pseudomonas syringae pv. papulans (Rose 1917) Dhanvantari 1977

Preferred Common Name

• blister spot of apple

Other Scientific Names

• Bacterium papulans (Rose) Elliott 1930
• Chlorobacter papulans (Rose) Patel & Kulkarni 1959
• Phytomonas papulans (Rose) Bergey et al. 1930
• Phytomonas syringae var. papulans (Rose) Smith 1944
• Pseudomonas papulans Rose 1917
• Pseudomonas syringae var. papulans (Rose) Smith 1944

International Common Names

• English: bark blister; blister spot of pome fruit; canker
• Spanish: bacteriosis de las frutas de pepitas; bacteriosis de las yemas florales

EPPO code

• PSDMPA (Pseudomonas syringae pv. papulans)

Taxonomic Tree

• Domain: Bacteria
•     Phylum: Proteobacteria
•         Class: Gammaproteobacteria
•             Order: Pseudomonadales
•                 Family: Pseudomonadaceae
•                     Genus: Pseudomonas
•                         Species: Pseudomonas syringae pv. papulans

Distribution Table

The distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.

Host plants/Plants Affected

List of Symptoms

References

Bedford KE, MacNeill BH, Bonn WG, Dirks VA, 1988. Population dynamics of Pseudomonas syringae pv. papulans on Mutsu apple. Canadian Journal of Plant Pathology, 10(1):23-29

Bonn WG, 1989. Occurrence of Pseudomonas syringae pv. papulans in budwood of 'mutsu' apple. Proceedings of the 7th International Conference of Plant Pathogenic Bacteria. Hungary, Budapest.

Bradbury JF, 1986. Guide to Plant Pathogenic Bacteria. Wallingford, UK: CAB International.

Bultitude J, 1983. Apples. A guide to the identification of international varieties. London, UK: McMillan Press.

Dhanvantari BN, 1977. A taxonomic study of Pseudomonas papulans Rose 1917. New Zealand Journal of Agricultural Research, 20(4):557-561

Distribution Maps

• = Present, no further details
• = Evidence of pathogen
• = Widespread
• = Last reported
• = Localised
• = Presence unconfirmed
• = Confined and subject to quarantine
• = See regional map for distribution within the country
• = Occasional or few reports

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