DISEASE: Bacterial blight
HOST: Cassava
Leaf with angular, water-soaked, vein-delimited lesions.
Bacterial blight | Cassava
DISEASE: Bacterial blight
HOST: Cassava (Manihot esculenta)
PATHOGEN: Xanthomonas axonopodis pv. manihotis
PATHOGEN SYNONYM: Xanthomonas campestris pv. manihotis
SOURCE: A. Hayward
DISEASE: Bacterial blight
HOST: Cassava
Cassava with angular leaf spots and yellow ooze. Symptoms include leaf spots, wilt, and dieback. The bacterium frequently invades systemically.
Bacterial blight | Cassava
DISEASE: Bacterial blight
HOST: Cassava (Manihot esculenta)
PATHOGEN: Xanthomonas axonopodis pv. manihotis
PATHOGEN SYNONYM: Xanthomonas campestris pv. manihotis
SOURCE: A. Hayward
DISEASE: Bacterial wilt and dieback
HOST: Willow
Cross sections of the characteristic "watermark stain" of diseased wood. Wilt and dieback occur as disease progresses.
Bacterial wilt and dieback | Willow
DISEASE: Bacterial wilt and dieback
HOST: Willow (Salix sp.)
PATHOGEN: Brenneria salicis
PATHOGEN SYNONYM: Erwinia salicis
SOURCE: Y. Sakamoto, M. Goto
DISEASE: Bacterial wilt and dieback
HOST: Willow
Severely diseased tree with dieback symptoms.
Bacterial wilt and dieback | Willow
DISEASE: Bacterial wilt and dieback
HOST: Willow (Salix sp.)
PATHOGEN: Brenneria salicis
PATHOGEN SYNONYM: Erwinia salicis
SOURCE: Y. Sakamoto, M. Goto
DISEASE: Leaf scald
HOST: Sugarcane
Leaf symptoms of chlorosis and white, "pencil-line" streaks.
Leaf scald | Sugarcane
DISEASE: Leaf scald
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas albilineans
SOURCE: R. Birch
DISEASE: Leaf scald
HOST: Sugarcane
Early stage of disease with white, "pencil-line" streaks on leaf.
Leaf scald | Sugarcane
DISEASE: Leaf scald
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas albilineans
SOURCE: R. Birch
DISEASE: Leaf scald
HOST: Sugarcane
Leaf with brownish necrotic streaks, some reddish.
Leaf scald | Sugarcane
DISEASE: Leaf scald
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas albilineans
SOURCE: D. Teakle
DISEASE: Leaf scald
HOST: Sugarcane
Advanced stage of disease with brownish red necrotic streaks covering most of the leaf surface.
Leaf scald | Sugarcane
DISEASE: Leaf scald
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas albilineans
SOURCE: S. Schenk
DISEASE: Leaf scald
HOST: Sugarcane
Systemically invaded stalk with extensive chlorosis of emerging leaves.
Leaf scald | Sugarcane
DISEASE: Leaf scald
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas albilineans
SOURCE: R. Birch