DISEASE: Australian citrus dieback
HOST: Citrus (Grapefruit)
Leaves with mottled chlorosis.
Australian citrus dieback | Citrus (Grapefruit)
DISEASE: Australian citrus dieback
HOST: Citrus (Grapefruit) (Citrus paradisi)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: P. Broadbent
DISEASE: Australian citrus dieback
HOST: Citrus (Grapefruit)
Late stage of disease. Note yellowing of leaf veins and entire leaves.
Australian citrus dieback | Citrus (Grapefruit)
DISEASE: Australian citrus dieback
HOST: Citrus (Grapefruit) (Citrus paradisi)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: P. Broadbent
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 blight
HOST: Anthurium
Leaf with necrotic lesions surrounded by chlorotic zones, indicative of stomatal invasion.
Bacterial blight | Anthurium
DISEASE: Bacterial blight
HOST: Anthurium (Anthurium andraeanum)
PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae
PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae
SOURCE: A. Alvarez
DISEASE: Bacterial blight
HOST: Anthurium
Chlorosis of leaf margins, an early stage of disease.
Bacterial blight | Anthurium
DISEASE: Bacterial blight
HOST: Anthurium (Anthurium andraeanum)
PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae
PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae
SOURCE: A. Alvarez
DISEASE: Bacterial blight
HOST: Anthurium
Necrotic lesions surrounded by chlorotic zones, indicative of hydathode invasion.
Bacterial blight | Anthurium
DISEASE: Bacterial blight
HOST: Anthurium (Anthurium andraeanum)
PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae
PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae
SOURCE: W. Nishijima
DISEASE: Bacterial blight
HOST: Anthurium
Leaves with necrotic margins.
Bacterial blight | Anthurium
DISEASE: Bacterial blight
HOST: Anthurium (Anthurium andraeanum)
PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae
PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae
SOURCE: W. Nishijima
DISEASE: Bacterial blight
HOST: Anthurium
Chlorotic leaf with signs of water stress caused by infection of vascular system.
Bacterial blight | Anthurium
DISEASE: Bacterial blight
HOST: Anthurium (Anthurium andraeanum)
PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae
PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae
SOURCE: W. Nishijima
DISEASE: Bacterial blight
HOST: Anthurium
Sliced petiole with discolored cortical tissues, indicative of systemic infection.
Bacterial blight | Anthurium
DISEASE: Bacterial blight
HOST: Anthurium (Anthurium andraeanum)
PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae
PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae
SOURCE: W. Nishijima