RESULTS

(3)

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DISEASE: Ash yellows

HOST: Ash

Witches'-broom at base of declining tree.

Ash yellows | Ash

DISEASE: Ash yellows

HOST: Ash (Fraxinus velutina)

PATHOGEN: 'Candidatus Phytoplasma fraxini'

PATHOGEN SYNONYM: Phytoplasma Ash yellows group

SOURCE: W. Sinclair

DISEASE: Bacterial leaf blight and rot

HOST: Orchid

Orchid hybrid (Odontoglossum × Memoria Martin Orenstein 'Lulu') with large, brown, infected area on leaves with water-soaking at margin between healthy and diseased tissues.

Bacterial leaf blight and rot | Orchid

DISEASE: Bacterial leaf blight and rot

HOST: Orchid (Odontoglossum sp.)

PATHOGEN: Burkholderia gladioli pv. gladioli

PATHOGEN SYNONYM: Pseudomonas gladioli pv. gladioli

SOURCE: L. Keith

DISEASE: Bacterial leaf spot

HOST: Snapdragon

Leaves with large necrotic areas with brownish centers and purplish margins. Lesions are slightly sunken.

Bacterial leaf spot | Snapdragon

DISEASE: Bacterial leaf spot

HOST: Snapdragon (Antirrhinum majus)

PATHOGEN: Pseudomonas syringae pv. antirrhini

SOURCE: R. Raabe