DISEASE: Bacterial blight (Black leaf blight)
HOST: Canna
Canna with blighted shoots and leaves.
![](/sites/default/files/plant_disease/images/0196.jpg)
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.
![](/sites/default/files/plant_disease/images/0197.jpg)
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: Oak leaf scorch
HOST: Oak
Oak with scorched leaf tips.
![](/sites/default/files/plant_disease/images/0564.jpg)
Oak leaf scorch | Oak
DISEASE: Oak leaf scorch
HOST: Oak (Quercus kelloggii)
PATHOGEN: Xylella fastidiosa
SOURCE: S. Kostka
DISEASE: Oak leaf scorch
HOST: Oak
Leaf with brown, marginal necrosis resembling a burn.
![](/sites/default/files/plant_disease/images/0567.jpg)
Oak leaf scorch | Oak
DISEASE: Oak leaf scorch
HOST: Oak (Quercus rubra)
PATHOGEN: Xylella fastidiosa
SOURCE: W. Sinclair