RESULTS

(7)

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DISEASE: Bacterial blight (Black leaf blight)

HOST: Canna

Canna with blighted shoots and leaves.

Bacterial blight (Black leaf blight) | Canna

DISEASE: Bacterial blight (Black leaf blight)

HOST: Canna (Canna indica)

PATHOGEN: Xanthomonas campestris pv. cannae

SOURCE: D. Shoenweiss, M. Shurtleff

DISEASE: Bacterial blight (Black leaf blight)

HOST: Canna

Canna with yellowing and blackened tissues.

Bacterial blight (Black leaf blight) | Canna

DISEASE: Bacterial blight (Black leaf blight)

HOST: Canna (Canna sp.)

PATHOGEN: Xanthomonas campestris pv. cannae

SOURCE: A. Alvarez

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 spot

HOST: Rice

Stripes on leaves and leaf sheaths, which turn brown in time. They occur interveinally, along midribs and leaf margins.

Bacterial leaf spot | Rice

DISEASE: Bacterial leaf spot

HOST: Rice (Oryza sativa)

PATHOGEN: Acidovorax oryzae

PATHOGEN SYNONYM: Acidovorax avenae subsp. avenae

SOURCE: APS

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