DISEASE: Bacterial blight
HOST: Hazelnut
Diseased young tree with discoloration of the cambium. Dieback of young twigs and branches is characteristic. Other typical symptoms are bud and twig necrosis and small, angular or round, water-soaked leaf spots.
Bacterial blight | Hazelnut
DISEASE: Bacterial blight
HOST: Hazelnut (Corylus americana)
PATHOGEN: Xanthomonas arboricola pv. corylina
SOURCE: J. Pscheidt
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 spot
HOST: Zinnia
Leaf with small, brown spots.
Bacterial leaf spot | Zinnia
DISEASE: Bacterial leaf spot
HOST: Zinnia (Zinnia violacea)
PATHOGEN: Xanthomonas campestris pv. zinniae
SOURCE: M. Goto
DISEASE: Bacterial leaf spot
HOST: Zinnia
Leaf with blackish, necrotic, angular spots.
Bacterial leaf spot | Zinnia
DISEASE: Bacterial leaf spot
HOST: Zinnia (Zinnia violacea)
PATHOGEN: Xanthomonas campestris pv. zinniae
SOURCE: M. Daughtrey