RESULTS

(6)

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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: 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 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 palea browning

HOST: Rice

Early stage of disease with browning of palea.

Bacterial palea browning | Rice

DISEASE: Bacterial palea browning

HOST: Rice (Oryza sativa)

PATHOGEN: Pantoea agglomerans

PATHOGEN SYNONYM: Erwinia herbicola

SOURCE: K. Ozaki, M. Goto

DISEASE: Bacterial palea browning

HOST: Rice

Browning of palea begins with water-soaked lesions that later turn dark brown. Infected grains become brown after milling.

Bacterial palea browning | Rice

DISEASE: Bacterial palea browning

HOST: Rice (Oryza sativa)

PATHOGEN: Pantoea agglomerans

PATHOGEN SYNONYM: Erwinia herbicola

SOURCE: T. Mew