DISEASE: Bacterial blast and fruit spot
HOST: Avocado
White bacterial ooze on surface of fruit. Pseudomonas strains that cause canker likely differ from those that infect fruit and leaves.

Bacterial blast and fruit spot | Avocado
DISEASE: Bacterial blast and fruit spot
HOST: Avocado (Persea americana)
PATHOGEN: Pseudomonas syringae
SOURCE: L. Fucikovsky
DISEASE: Bacterial blight
HOST: Hazelnut
Diseased young tree with discoloration of the cambium. Dieback of young twigs and branches is characteristic. Other typical symptoms are bud and twig necrosis and small, angular or round, water-soaked leaf spots.

Bacterial blight | Hazelnut
DISEASE: Bacterial blight
HOST: Hazelnut (Corylus americana)
PATHOGEN: Xanthomonas arboricola pv. corylina
SOURCE: J. Pscheidt
DISEASE: Bacterial canker
HOST: Avocado
Cankers on trunk.

Bacterial canker | Avocado
DISEASE: Bacterial canker
HOST: Avocado (Persea americana)
PATHOGEN: Xanthomonas campestris
SOURCE: H. Ohr
DISEASE: Bacterial canker
HOST: Hazelnut
Primary symptoms are failure of buds to break and withering and death of new foliage in spring. Dead leaves remain attached to limbs after normal leaf fall.

Bacterial canker | Hazelnut
DISEASE: Bacterial canker
HOST: Hazelnut (Corylus americana)
PATHOGEN: Pseudomonas syringae pv. avellanae
PATHOGEN SYNONYM: Pseudomonas avellanae
SOURCE: P. Psalidas
DISEASE: Bacterial finger-tip rot
HOST: Banana
Cross sections of fruit with internal discoloration and rot. This disease is also known as Mokillo disease.

Bacterial finger-tip rot | Banana
DISEASE: Bacterial finger-tip rot
HOST: Banana (Musa sp.)
PATHOGEN: Burkholderia cenocepacia
PATHOGEN SYNONYM: Pseudomonas cenocepacia
SOURCE: I. Buddenhagen
DISEASE: Bacterial finger-tip rot
HOST: Banana
Longitudinal sections of fruit with internal discoloration and rot. Healthy (right).

Bacterial finger-tip rot | Banana
DISEASE: Bacterial finger-tip rot
HOST: Banana (Musa sp.)
PATHOGEN: Burkholderia cenocepacia
PATHOGEN SYNONYM: Pseudomonas cenocepacia
SOURCE: I. Buddenhagen
DISEASE: Bacterial finger-tip rot
HOST: Banana
Diseased banana hand with external discoloration.

Bacterial finger-tip rot | Banana
DISEASE: Bacterial finger-tip rot
HOST: Banana (Musa sp.)
PATHOGEN: Burkholderia cenocepacia
PATHOGEN SYNONYM: Pseudomonas cenocepacia
SOURCE: I. Buddenhagen
DISEASE: Bacterial wilt (Moko disease)
HOST: Banana
Diseased young plant with wilted, yellowish leaves.

Bacterial wilt (Moko disease) | Banana
DISEASE: Bacterial wilt (Moko disease)
HOST: Banana (Musa sp.)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: I. Buddenhagen
DISEASE: Bacterial wilt (Moko disease)
HOST: Banana
'Valery' banana with wilted and yellowing leaves.

Bacterial wilt (Moko disease) | Banana
DISEASE: Bacterial wilt (Moko disease)
HOST: Banana (Musa sp. 'Valery')
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: I. Buddenhagen, M. Schroth