DISEASE: Bacterial ring rot
HOST: Potato
Advanced decay of vascular ring with cheesy rot. Exudation is from squeezing the tuber.
Bacterial ring rot | Potato
DISEASE: Bacterial ring rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Clavibacter michiganensis subsp. sepedonicus
SOURCE: APS
DISEASE: Bacterial ring rot
HOST: Potato
Characteristic foliar symptoms of yellowing and marginal leaf necrosis.
Bacterial ring rot | Potato
DISEASE: Bacterial ring rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Clavibacter michiganensis subsp. sepedonicus
SOURCE: D. Funk, A. Alvarez
DISEASE: Bacterial ring rot
HOST: Potato
Vascular tissues with bacterial ooze.
Bacterial ring rot | Potato
DISEASE: Bacterial ring rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Clavibacter michiganensis subsp. sepedonicus
SOURCE: D. Funk, A. Alvarez
DISEASE: Bacterial soft rot
HOST: Potato
Internal rot of tubers.
Bacterial soft rot | Potato
DISEASE: Bacterial soft rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: M. Shurtleff
DISEASE: Bacterial soft rot
HOST: Potato
External symptoms of soft rot disease.
Bacterial soft rot | Potato
DISEASE: Bacterial soft rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: R. Schoeneweiss, M. Shurtleff
DISEASE: Bacterial soft rot
HOST: Potato
Severe lenticel infection by soft rot bacteria.
Bacterial soft rot | Potato
DISEASE: Bacterial soft rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: S. Mohan
DISEASE: Bacterial wilt
HOST: Squash
Field with severe symptoms of wilt. Foliage often is chlorotic and leaf margins may be chlorotic and necrotic before plant death. Bacterial ooze may be seen streaming from the xylem when infected stems are cut.
Bacterial wilt | Squash
DISEASE: Bacterial wilt
HOST: Squash (Cucurbita maxima)
PATHOGEN: Erwinia tracheiphila
SOURCE: B. Jacobsen, M. Shurtleff
DISEASE: Blackleg
HOST: Potato
Black, elongated necrotic areas, characteristic of stem rot.
Blackleg | Potato
DISEASE: Blackleg
HOST: Potato (Solanum tuberosum)
PATHOGEN: Pectobacterium atrosepticum
PATHOGEN SYNONYM: Erwinia carotovora subsp. atroseptica
SOURCE: S. Mohan
DISEASE: Blackleg
HOST: Potato
Black necrotic stem; late stage of disease.
Blackleg | Potato
DISEASE: Blackleg
HOST: Potato (Solanum tuberosum)
PATHOGEN: Pectobacterium atrosepticum
PATHOGEN SYNONYM: Erwinia carotovora subsp. atroseptica
SOURCE: S. Mohan