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DISEASE: Australian citrus dieback

HOST: Citrus (Lime)

Severe decline, a late stage of disease. The disease spreads slowly in mature trees, progressing faster in young trees.

Australian citrus dieback | Citrus (Lime)

DISEASE: Australian citrus dieback

HOST: Citrus (Lime) (Citrus sp.)

PATHOGEN: 'Candidatus Phytoplasma australiense'

PATHOGEN SYNONYM: Phytoplasma Stolbur group

SOURCE: P. Broadbent

DISEASE: Bacterial blast and black pit

HOST: Citrus (Lime)

Characteristic symptoms of brownish black lesions on twigs and leaves (blast), starting with infection of petioles. Black pit refers to brown to black sunken spots on fruit, 5 to 20 mm in diameter.

Bacterial blast and black pit | Citrus (Lime)

DISEASE: Bacterial blast and black pit

HOST: Citrus (Lime) (Citrus sp.)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: P. Broadbent

DISEASE: Bacterial blight

HOST: Bindweed

Water-soaked areas and angular leaf spots with yellow ooze.

Bacterial blight | Bindweed

DISEASE: Bacterial blight

HOST: Bindweed (Convolvulus arvensis)

PATHOGEN: Xanthomonas campestris pv. convolvuli

SOURCE: S. Mohan

DISEASE: Bacterial leaf spot (Blight)

HOST: Coriander

Coriander with spots and yellowing of blighted leaves.

Bacterial leaf spot (Blight) | Coriander

DISEASE: Bacterial leaf spot (Blight)

HOST: Coriander (Coriandrum sativum)

PATHOGEN: Pseudomonas syringae pv. coriandricola

SOURCE: L. Fucikovsky

DISEASE: Witches'-broom

HOST: Citrus (Lime)

Lime tree with compact, small leaves (witches'-broom). Leaves on older brooms dry out and eventually drop, leaving dead, bare branches. There are no flowers or fruit on brooms.

Witches'-broom | Citrus (Lime)

DISEASE: Witches'-broom

HOST: Citrus (Lime) (Citrus sp.)

PATHOGEN: 'Candidatus Phytoplasma aurantifolia'

PATHOGEN SYNONYM: Phytoplasma Peanut witches'-broom group

SOURCE: J. Bove, M. Garnier