DISEASE: Bacterial foot rot
HOST: Rice
The disease causes sheaths to turn dark brown and rot; dead leaves droop. Nodes, culms, and crowns also decay, and infected tillers are easily detached from the crown. Culms and internodes turn black.
Bacterial foot rot | Rice
DISEASE: Bacterial foot rot
HOST: Rice (Oryza sativa)
PATHOGEN: Dickeya zeae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae
SOURCE: M. Goto
DISEASE: Bacterial foot rot
HOST: Rice
Decayed culms (right) and healthy culms (left). Leaf sheaths of infected plants exhibit dark brown decay and attached leaves turn yellow and wilt.
Bacterial foot rot | Rice
DISEASE: Bacterial foot rot
HOST: Rice (Oryza sativa)
PATHOGEN: Dickeya zeae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae
SOURCE: M. Goto
DISEASE: Bacterial mushy canker
HOST: Papaya
This disease (Micronesia) differs from bacterial decline by causing blackish, water-soaked, mushy cankers near or in leaf axils or on young stems.
Bacterial mushy canker | Papaya
DISEASE: Bacterial mushy canker
HOST: Papaya (Carica papaya)
PATHOGEN: Erwinia sp.
SOURCE: E. Trujillo
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (sp. unknown)
Citrus psyllid (Diaphorina citri), a vector of 'Candidatus Liberibacter asiaticus', the cause of citrus greening, feeding on green twig.
Citrus greening (Huanglongbing) | Citrus (sp. unknown)
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (sp. unknown) (Citrus sp.)
PATHOGEN: 'Candidatus Liberibacter asiaticus'
PATHOGEN SYNONYM: Candidatus Liberobacter asiaticus
SOURCE: C. Jacobson
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (sp. unknown)
Citrus psyllid (Diaphorina citri), a vector of 'Candidatus Liberibacter asiaticus', the cause of citrus greening.
Citrus greening (Huanglongbing) | Citrus (sp. unknown)
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (sp. unknown) (Citrus sp.)
PATHOGEN: 'Candidatus Liberibacter asiaticus'
PATHOGEN SYNONYM: Candidatus Liberobacter asiaticus
SOURCE: C. Jacobson
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (sp. unknown)
Citrus psyllid (Diaphorina citri), a vector of 'Candidatus Liberibacter asiaticus', the cause of citrus greening.
Citrus greening (Huanglongbing) | Citrus (sp. unknown)
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (sp. unknown) (Citrus sp.)
PATHOGEN: 'Candidatus Liberibacter asiaticus'
PATHOGEN SYNONYM: Candidatus Liberobacter asiaticus
SOURCE: C. Hirayama
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (Orange)
Mature infected fruit may be misshapen and vary in degree of greening.
Citrus greening (Huanglongbing) | Citrus (Orange)
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (Orange) (Citrus sinensis)
PATHOGEN: 'Candidatus Liberibacter asiaticus'
PATHOGEN SYNONYM: Candidatus Liberobacter asiaticus
SOURCE: R. McCoy, M. Davis
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (Orange)
Leaves with yellowish mottle resembling nutrient deficiency.
Citrus greening (Huanglongbing) | Citrus (Orange)
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (Orange) (Citrus sinensis)
PATHOGEN: 'Candidatus Liberibacter asiaticus'
PATHOGEN SYNONYM: Candidatus Liberobacter asiaticus
SOURCE: D. Gabriel
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (Orange)
Mature, misshapen diseased fruit. Healthy fruit (lower left).
Citrus greening (Huanglongbing) | Citrus (Orange)
DISEASE: Citrus greening (Huanglongbing)
HOST: Citrus (Orange) (Citrus sinensis)
PATHOGEN: 'Candidatus Liberibacter asiaticus'
PATHOGEN SYNONYM: Candidatus Liberobacter asiaticus
SOURCE: P. Broadbent