RESULTS

(4)

FILTER

DISEASE: Bacterial dieback of nectarine

HOST: Nectarine

Discolored tissues of crown and roots were caused by systemic invasion of the pathogen.

Bacterial dieback of nectarine | Nectarine

DISEASE: Bacterial dieback of nectarine

HOST: Nectarine (Prunus persica 'Fantasia')

PATHOGEN: Pseudomonas syringae pv. persicae

SOURCE: J. Young

DISEASE: Bacterial leaf spot

HOST: Magnolia

Leaf with large, dark brown to black necrotic areas.

Bacterial leaf spot | Magnolia

DISEASE: Bacterial leaf spot

HOST: Magnolia (Magnolia grandiflora)

PATHOGEN: Pseudomonas cichorii

SOURCE: J. Mullen

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