Pectobacterium atrosepticum
(potato blackleg disease)

Pictures

Picture	Title	Caption	Copyright
Title Blackleg symptom Caption Blackleg symptom on a potato plant caused by E. carotovora pv. atroseptica. Copyright CIP	Blackleg symptom	Blackleg symptom on a potato plant caused by E. carotovora pv. atroseptica.	CIP
Title Symptoms on potato Caption Collapse of potato stems due to E. carotovora. Copyright Mauritius Sugar Industry Research Institute	Symptoms on potato	Collapse of potato stems due to E. carotovora.	Mauritius Sugar Industry Research Institute
Title Symptoms on potato Caption Blackleg of potato. Copyright Mauritius Sugar Industry Research Institute	Symptoms on potato	Blackleg of potato.	Mauritius Sugar Industry Research Institute
Title Aereal stem rot Caption Aereal stem rots on a potato stems caused by E. carotovora pv. atroseptica. Copyright CIP	Aereal stem rot	Aereal stem rots on a potato stems caused by E. carotovora pv. atroseptica.	CIP
Title Blackleg symptoms Caption Blackleg symptom on a potato plant caused by E. carotovora pv. atroseptica. Copyright CIP	Blackleg symptoms	Blackleg symptom on a potato plant caused by E. carotovora pv. atroseptica.	CIP
Title Aereal stem rot Caption Aereal stem rot and leaf symptoms on potato caused by Erwinia carotovora pv. atroseptica. Copyright CIP	Aereal stem rot	Aereal stem rot and leaf symptoms on potato caused by Erwinia carotovora pv. atroseptica.	CIP
Title Soft rot symptom Caption Soft rot symptom on a potato tuber caused either by Erwinia carotovora pv. atroseptica, or Erwinia carotovora pv. carotvora. Copyright CIP	Soft rot symptom	Soft rot symptom on a potato tuber caused either by Erwinia carotovora pv. atroseptica, or Erwinia carotovora pv. carotvora.	CIP
Title Lesions Caption Lesions associated with lenticels on a potato tuber caused either by Erwinia carotovora pv. atroseptica, or Erwinia carotovora pv. carotvora. Copyright CIP	Lesions	Lesions associated with lenticels on a potato tuber caused either by Erwinia carotovora pv. atroseptica, or Erwinia carotovora pv. carotvora.	CIP
Title Symptoms on potato Caption View of potato field infected with blackleg, showing yellowing of foliage. Copyright Mauritius Sugar Industry Research Institute	Symptoms on potato	View of potato field infected with blackleg, showing yellowing of foliage.	Mauritius Sugar Industry Research Institute

Identity

Preferred Scientific Name

• Pectobacterium atrosepticum (van Hall, 1902) Gardan et al. 2003

Preferred Common Name

• potato blackleg disease

Other Scientific Names

• Bacillus atrosepticus
• Bacillus melanogenes Pethybridge & Murphy, 1911
• Bacillus phytophthorus Appel, 1902
• Bacterium atrosepticum (van Hall) Lehmann & Neumann, 1927
• Bacterium carotovorum (Jones) Lehmann & Neumann/Burgwitz
• Bacterium carotovorum var. atrosepticum (van Hall) Hellmers & Dowson, 1953
• Bacterium melanogenum
• Bacterium phytophthorum (Appel) Lehmann & Neumann, 1927
• Erwinia atroseptica (van Hall) Jennison, 1923
• Erwinia caricae
• Erwinia carotovora (Jones) Holl./Berg.
• Erwinia carotovora pv. atroseptica (van Hall, 1902) Dye, 1978
• Erwinia carotovora subsp. atroseptica (van Hall, 1902) Dye, 1969
• Erwinia carotovora var. atroseptica (van Hall) Dye, 1969
• Erwinia dahliae (Hori & Bokura) Magrou
• Erwinia melonis (Giddings) Bergey & al.
• Erwinia phytophthora (Appel) Bergey et al., 1934
• Erwinia phytophthorus
• Pectobacterium atrosepticum (van Hall) Patel & Kulkarni, 1951
• Pectobacterium carotovorum var. atrosepticum (van Hall) Graham & Dowson, 1960
• Pectobacterium phytophthorum (Appel) Waldee, 1945

International Common Names

• English: bacterial mottle of sugarcane; bacterial rot of tomato; bacterial soft rot; bacterial stalk rot of stored cabbage; bacterial: potato soft rot; bacterial: vegetables soft rot; black leg of potato; hollow stalk rot; slimy soft rot; soft rot disease of Harton plantain; stem canker of papaya; storage rot
• Spanish: pie negro (patata); pierna negra de la papa; podredumbre blanda bacteriana de la papa; podredumbre blanda del tuberculo; pudrición blanda; pudricion blanda de la cebolla
• French: jambe noire de la pomme de terre; jambe noire du tabac; maladie bacterienne de la chicoree; pourriture bactérienne de la pomme de terre; pourriture des tiges; pourriture lenticellaire de la pomme de terre; pourriture molle bacterienne de la pomme de terre; pourriture molle des legumes; pourriture molle des tiges/fruits du papayer; tige creuse du tabac

Local Common Names

• Germany: Bakterien-: Gemuese Nassfaeule; Nassfaeule: Kartoffel; Schwarzbeinigkeit: Kartoffel

EPPO code

• ERWIAT (Erwinia carotovora subsp. atroseptica)

Taxonomic Tree

• Domain: Bacteria
•     Phylum: Proteobacteria
•         Class: Gammaproteobacteria
•             Order: Enterobacteriales
•                 Family: Enterobacteriaceae
•                     Genus: Pectobacterium
•                         Species: Pectobacterium atrosepticum

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.

Growth Stages

List of Symptoms/Signs

Plant Trade

References

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Togashi J, 1988. Identification of the organisms causing soft-rot disease in vegetables in the fields of the Tsuruoka District. Bulletin of the Yamagata University (Agricultural Science). 10 (3), 473-478.

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