RESULTS

(5)

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DISEASE: Bacterial blast and fruit spot

HOST: Avocado

White bacterial ooze on surface of fruit. Pseudomonas strains that cause canker likely differ from those that infect fruit and leaves.

Bacterial blast and fruit spot | Avocado

DISEASE: Bacterial blast and fruit spot

HOST: Avocado (Persea americana)

PATHOGEN: Pseudomonas syringae

SOURCE: L. Fucikovsky

DISEASE: Bacterial canker

HOST: Avocado

Cankers on trunk.

Bacterial canker | Avocado

DISEASE: Bacterial canker

HOST: Avocado (Persea americana)

PATHOGEN: Xanthomonas campestris

SOURCE: H. Ohr

DISEASE: Bacterial leaf spot

HOST: Lavender

Lavender leaves with dark necrotic areas.

Bacterial leaf spot | Lavender

DISEASE: Bacterial leaf spot

HOST: Lavender (Lavandula sp.)

PATHOGEN: Pseudomonas cichorii

SOURCE: R. Raabe

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheatgrass

Lesions on leaves first appear as water-soaked, translucent, long, narrow streaks. They later turn brown and necrotic and often coalesce into blighted areas.

Black chaff (Bacterial leaf streak) | Wheatgrass

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheatgrass (Elytrigia intermedia)

PATHOGEN: Xanthomonas translucens pv. cerealis

SOURCE: S. Mohan

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheatgrass

Close-up of leaf with brown necrotic streaks.

Black chaff (Bacterial leaf streak) | Wheatgrass

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheatgrass (Elytrigia intermedia)

PATHOGEN: Xanthomonas translucens pv. cerealis

SOURCE: S. Mohan