bacterial streak, black rot, and blight (Xanthomonas campestris) in Southern Plant Diagnostic Network

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Bacterial blight on spring wheat; note the long, watersoaked lesions following the veins and the cloudy bacterial ooze from the lesion.

Mary Burrows, Montana State University, Bugwood.org

Bacterial blight on spring wheat; note the long, watersoaked lesions following the veins and the cloudy bacterial ooze from the lesion.

Carrots showing symptoms of infection with bacterial leaf spot, <em>Xanthomonas campestris</em> pv. <em>carotae</em> (originally described as <em>Xanthomonas carotae</em>).

William M. Brown Jr., Bugwood.org

Carrots showing symptoms of infection with bacterial leaf spot, Xanthomonas campestris pv. carotae (originally described as Xanthomonas carotae).

Onion plant displaying symptoms of Xanthomonas leaf blight (<em>Xanthomonas campestris</em>).

Howard F. Schwartz, Colorado State University, Bugwood.org

Onion plant displaying symptoms of Xanthomonas leaf blight (Xanthomonas campestris).

bacterial streak, black rot, and blight (<em>Xanthomonas campestris</em>) symptoms on bird-of-paradise (<em>Strelitzia reginae</em>)

Jeffrey W. Lotz, Florida Department of Agriculture and Consumer Services, Bugwood.org

bacterial streak, black rot, and blight (Xanthomonas campestris) symptoms on bird-of-paradise (Strelitzia reginae)

Leaf spots

Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org

Leaf spots

Leaf spots

Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org

Leaf spots

Characteristic concentric pycnidia of Ascochyta blight on chickpea.

Mary Burrows, Montana State University, Bugwood.org

Characteristic concentric pycnidia of Ascochyta blight on chickpea.

Bacterial blight/black chaff on irrigated spring wheat

Mary Burrows, Montana State University, Bugwood.org

Bacterial blight/black chaff on irrigated spring wheat

Bacterial blight/black chaff on irrigated spring wheat

Mary Burrows, Montana State University, Bugwood.org

Bacterial blight/black chaff on irrigated spring wheat

Bacterial blight/black chaff on irrigated spring wheat. Note the long lesions following the leaf veins and bacteria oozing from the lesion.

Mary Burrows, Montana State University, Bugwood.org

Bacterial blight/black chaff on irrigated spring wheat. Note the long lesions following the leaf veins and bacteria oozing from the lesion.

Bacterial streaming from cut tissue.

Bruce Watt, University of Maine, Bugwood.org

Bacterial streaming from cut tissue.

Symptoms

Bruce Watt, University of Maine, Bugwood.org

Symptoms