DISEASE: Bacterial gall
HOST: Carrot
Root with many galls of different sizes.
Bacterial gall | Carrot
DISEASE: Bacterial gall
HOST: Carrot (Daucus carota)
PATHOGEN: Rhizobacter dauci
SOURCE: H. Kuwata
DISEASE: Bacterial gall
HOST: Carrot
Galls caused from inoculation of injured roots (left two) and uninjured roots (center two). Uninjured, noninoculated root (right).
Bacterial gall | Carrot
DISEASE: Bacterial gall
HOST: Carrot (Daucus carota)
PATHOGEN: Rhizobacter dauci
SOURCE: M. Goto
DISEASE: Bermudagrass white leaf
HOST: Grass
White leaf disease of bermudagrass.
Bermudagrass white leaf | Grass
DISEASE: Bermudagrass white leaf
HOST: Grass (Cynodon transvaalensis)
PATHOGEN: 'Candidatus Phytoplasma cynodontis'
PATHOGEN SYNONYM: Phytoplasma Bermuda white leaf group
SOURCE: M. Davis
DISEASE: Chocolate spot
HOST: Corn (Maize)
Leaf with dark brown, elongated spots surrounded by broad, yellow halos.
Chocolate spot | Corn (Maize)
DISEASE: Chocolate spot
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Pseudomonas syringae pv. coronafaciens
SOURCE: D. White
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