RESULTS

(5)

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DISEASE: Bacterial blight (Leaf spot)

HOST: Clover

Diseased leaf with elongated, reddish brown lesions, especially numerous on the margins.

Bacterial blight (Leaf spot) | Clover

DISEASE: Bacterial blight (Leaf spot)

HOST: Clover (Trifolium alexandrinum)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: M. Shurtleff

DISEASE: Elm leaf scorch

HOST: Elm

Diseased tree with scorch at leaf margins.

Elm leaf scorch | Elm

DISEASE: Elm leaf scorch

HOST: Elm (Ulmus americana)

PATHOGEN: Xylella fastidiosa

SOURCE: J. Sherald, M. Shurtleff

DISEASE: Elm leaf scorch

HOST: Elm

Severely diseased tree with dieback and scorched leaves.

Elm leaf scorch | Elm

DISEASE: Elm leaf scorch

HOST: Elm (Ulmus americana)

PATHOGEN: Xylella fastidiosa

SOURCE: W. Sinclair

DISEASE: Papaya dieback

HOST: Papaya

Dieback is characterized by terminal necrosis and death of the young and old plants.

Papaya dieback | Papaya

DISEASE: Papaya dieback

HOST: Papaya (Carica papaya)

PATHOGEN: 'Candidatus Phytoplasma australiense'

PATHOGEN SYNONYM: Phytoplasma Stolbur group

SOURCE: D. Teakle

DISEASE: Papaya dieback

HOST: Papaya

Death of growing point, a symptom of the disease.

Papaya dieback | Papaya

DISEASE: Papaya dieback

HOST: Papaya (Carica papaya)

PATHOGEN: 'Candidatus Phytoplasma australiense'

PATHOGEN SYNONYM: Phytoplasma Stolbur group

SOURCE: D. Teakle