DISEASE: Bacterial ring rot
HOST: Potato
Stunted plant with withered leaves (right).

Bacterial ring rot | Potato
DISEASE: Bacterial ring rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Clavibacter michiganensis subsp. sepedonicus
SOURCE: M. Schroth
DISEASE: Bacterial ring rot
HOST: Potato
Infected leaf with advanced stage of interveinal necrosis.

Bacterial ring rot | Potato
DISEASE: Bacterial ring rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Clavibacter michiganensis subsp. sepedonicus
SOURCE: S. Thomson
DISEASE: Bacterial ring rot
HOST: Potato
Foliage symptoms are upward rolling of leaves and marginal necrosis of lower leaves.

Bacterial ring rot | Potato
DISEASE: Bacterial ring rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Clavibacter michiganensis subsp. sepedonicus
SOURCE: G. Franc
DISEASE: Bacterial ring rot
HOST: Potato
Internal and external tuber symptoms, characteristic of ring rot.

Bacterial ring rot | Potato
DISEASE: Bacterial ring rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Clavibacter michiganensis subsp. sepedonicus
SOURCE: R. Rowe
DISEASE: Bacterial ring rot
HOST: Potato
Ring rot symptoms of tuber. Note the dark ring does not always extend completely around the tuber. Tissues are wet and cheesy.

Bacterial ring rot | Potato
DISEASE: Bacterial ring rot
HOST: Potato (Solanum tuberosum)
PATHOGEN: Clavibacter michiganensis subsp. sepedonicus
SOURCE: S. Thomson
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: Saber tooth
HOST: Lily
Lily with deformed growth that resembles a saber tooth.

Saber tooth | Lily
DISEASE: Saber tooth
HOST: Lily (Lilium sp. 'Enchantment')
PATHOGEN: Curtobacterium flaccumfaciens pv. oortii
PATHOGEN SYNONYM: Corynebacterium flaccumfaciens subsp. oortii
SOURCE: H. van Hoof, J. van der Wolf