DISEASE: Bacterial blight and bacterial leaf streak
HOST: Rice
Xanthomonas oryzae pv. oryzicola (bacterial leaf streak) causes water-soaked streaks with yellow ooze (left side), and X. oryzae pv. oryzae (bacterial blight) causes brown streaks that have turned white (right side).
Bacterial blight and bacterial leaf streak | Rice
DISEASE: Bacterial blight and bacterial leaf streak
HOST: Rice (Oryza sativa)
PATHOGEN: Xanthomonas oryzae pv. oryzicola
PATHOGEN SYNONYM: Xanthomonas campestris pv. oryzae
SOURCE: T. Mew
DISEASE: Bacterial leaf streak
HOST: Rice
Severely diseased leaves with light brown streaks.
Bacterial leaf streak | Rice
DISEASE: Bacterial leaf streak
HOST: Rice (Oryza sativa)
PATHOGEN: Xanthomonas oryzae pv. oryzicola
SOURCE: H. Kaku, M. Goto
DISEASE: Bacterial leaf streak
HOST: Rice
Brownish lesions with tiny droplets of bacterial ooze, resulting from artificial inoculation of the pathogen.
Bacterial leaf streak | Rice
DISEASE: Bacterial leaf streak
HOST: Rice (Oryza sativa)
PATHOGEN: Xanthomonas oryzae pv. oryzicola
SOURCE: H. Kaku, M. Goto
DISEASE: Bacterial leaf streak
HOST: Rice
Copious droplets of bacterial ooze on infected leaf margin (right), typical of advanced stage of disease. Healthy part of leaf (left) has clear guttation fluid.
Bacterial leaf streak | Rice
DISEASE: Bacterial leaf streak
HOST: Rice (Oryza sativa)
PATHOGEN: Xanthomonas oryzae pv. oryzicola
SOURCE: A. Hayward
DISEASE: Crown gall
HOST: Grape
Grape with multiple galls on trunk resulting from systemic infection.
Crown gall | Grape
DISEASE: Crown gall
HOST: Grape (Vitis vinifera)
PATHOGEN: Agrobacterium vitis
PATHOGEN SYNONYM: Rhizobium vitus
SOURCE: H. Sawada, M. Goto
DISEASE: Crown gall
HOST: Grape
Multiple small galls on trunk of systemically infected grape.
Crown gall | Grape
DISEASE: Crown gall
HOST: Grape (Vitis vinifera)
PATHOGEN: Agrobacterium vitis
PATHOGEN SYNONYM: Rhizobium vitus
SOURCE: D. Gabriel
DISEASE: Crown gall
HOST: Grape
Gall on base of 'Zinfandel' grape in California, where aerial galls are less common because of dry, hot weather.
Crown gall | Grape
DISEASE: Crown gall
HOST: Grape (Vitis vinifera 'Zinfandel')
PATHOGEN: Agrobacterium vitis
PATHOGEN SYNONYM: Rhizobium vitus
SOURCE: M. Schroth
DISEASE: Pink disease
HOST: Pineapple
Infected pineapple slices; effect of heating (right) and not heating (left).
Pink disease | Pineapple
DISEASE: Pink disease
HOST: Pineapple (Ananas comosus)
PATHOGEN: Tatumella citrea
PATHOGEN SYNONYM: Pantoea citrea
SOURCE: K. Rohrbach, A. Alvarez
DISEASE: Pink disease
HOST: Pineapple
Two clones (A and D) showing different stages of infection. Second and fourth fruits (left to right) have been heated. Disease originally attributed to Gluconobacter oxydans and Enterobacter agglomerans and later to Pantoea citrea.
Pink disease | Pineapple
DISEASE: Pink disease
HOST: Pineapple (Ananas comosus)
PATHOGEN: Tatumella citrea
PATHOGEN SYNONYM: Pantoea citrea
SOURCE: K. Rohrbach