DISEASE: Bacterial stripe
HOST: Corn (Maize)
Early stage of bacterial stripe.
Bacterial stripe | Corn (Maize)
DISEASE: Bacterial stripe
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: A. Alvarez
DISEASE: Bacterial stripe
HOST: Corn (Maize)
Corn leaves with amber- to olive-colored, water-soaked translucent stripes.
Bacterial stripe | Corn (Maize)
DISEASE: Bacterial stripe
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: M. Shurtleff
DISEASE: Bacterial stripe
HOST: Corn (Maize)
Corn leaves with yellow-brown to reddish stripes, 2 to 3 mm wide.
Bacterial stripe | Corn (Maize)
DISEASE: Bacterial stripe
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: APS
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: Corn stunt
HOST: Corn (Maize)
Chlorosis of leaf margins, the first symptom of disease.
Corn stunt | Corn (Maize)
DISEASE: Corn stunt
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Spiroplasma kunkelii
SOURCE: T. Tsai, M. Davis
DISEASE: Ear rot
HOST: Corn (Maize)
Rot at apical end of ear.
Ear rot | Corn (Maize)
DISEASE: Ear rot
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Pseudomonas marginalis
SOURCE: L. Fucikovsky
DISEASE: Goss's bacterial wilt and blight
HOST: Corn (Maize)
Wilted, dying plants. Leaves have gray to light yellow stripes and irregular margins that follow leaf veins. Systemically infected plants usually have orange vascular bundles.
Goss's bacterial wilt and blight | Corn (Maize)
DISEASE: Goss's bacterial wilt and blight
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Clavibacter michiganensis subsp. nebraskensis
PATHOGEN SYNONYM: Corynebacterium nebraskense
SOURCE: A. Vidaver
DISEASE: Goss's bacterial wilt and blight
HOST: Corn (Maize)
The disease causes necrotic leaf lesions, which typically have dark flecks (freckles) within the lesions (not seen here).
Goss's bacterial wilt and blight | Corn (Maize)
DISEASE: Goss's bacterial wilt and blight
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Clavibacter michiganensis subsp. nebraskensis
PATHOGEN SYNONYM: Corynebacterium nebraskense
SOURCE: A. Vidaver
DISEASE: Grain rot
HOST: Rice
Close-up of diseased grain. Infected portions of lemma and palea are purplish to dark brown.
Grain rot | Rice
DISEASE: Grain rot
HOST: Rice (Oryza sativa)
PATHOGEN: Burkholderia glumae
PATHOGEN SYNONYM: Pseudomonas glumae
SOURCE: A. Alvarez, D. Shakya