DISEASE: Bacterial leaf streak
HOST: Oat
Leaf with long, dark red streaks.
Bacterial leaf streak | Oat
DISEASE: Bacterial leaf streak
HOST: Oat (Avena sativa)
PATHOGEN: Xanthomonas translucens pv. cerealis
SOURCE: L. Claflin
DISEASE: Bacterial stripe (Blight)
HOST: Oat
Leaves with irregular necrotic spots and elongated stripes that are light tan in the center. Symptoms begin as water-soaked lesions.
Bacterial stripe (Blight) | Oat
DISEASE: Bacterial stripe (Blight)
HOST: Oat (Avena sativa)
PATHOGEN: Pseudomonas syringae pv. striafaciens
SOURCE: S. Thomson
DISEASE: Bacterial wilt (Moko disease)
HOST: Banana
'Bluggoe' banana infected by small fluidal round (SFR) strain. Bacterial ooze from bracts attracts insects that transmit the disease to other inflorescences.
Bacterial wilt (Moko disease) | Banana
DISEASE: Bacterial wilt (Moko disease)
HOST: Banana (Musa sp. 'Bluggoe')
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: I. Buddenhagen
DISEASE: Bacterial wilt (Moko disease)
HOST: Banana
Fruit stalk infected with small fluidal round (SFR) strain of Ralstonia solanacearum. Infection of terminal bud occurs at sites where dead male flowers dehisced.
Bacterial wilt (Moko disease) | Banana
DISEASE: Bacterial wilt (Moko disease)
HOST: Banana (Musa sp. 'Bluggoe')
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: I. Buddenhagen, M. Schroth
DISEASE: Halo blight
HOST: Oat
Oat leaves with oval lesions that darken in time and have distinctive yellow halos.
Halo blight | Oat
DISEASE: Halo blight
HOST: Oat (Avena sativa)
PATHOGEN: Pseudomonas syringae pv. coronafaciens
SOURCE: N. Schaad
DISEASE: Halo blight
HOST: Oat
Close-up of young and old lesions surrounded by halos.
Halo blight | Oat
DISEASE: Halo blight
HOST: Oat (Avena sativa)
PATHOGEN: Pseudomonas syringae pv. coronafaciens
SOURCE: N. Schaad