RESULTS

(5)

FILTER

DISEASE: Bacterial leaf spot

HOST: Crown-of-thorns

Leaves with brown lesions surrounded by bright yellow halos.

Bacterial leaf spot | Crown-of-thorns

DISEASE: Bacterial leaf spot

HOST: Crown-of-thorns (Euphorbia milii)

PATHOGEN: Xanthomonas axonopodis pv. poinsettiicola

PATHOGEN SYNONYM: Xanthomonas campestris pv. poinsettiicola

SOURCE: APS

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

DISEASE: Dodonaea yellows

HOST: Florida hopbush

Hopbush with brownish red witches'-broom.

Dodonaea yellows | Florida hopbush

DISEASE: Dodonaea yellows

HOST: Florida hopbush (Dodonaea viscosa)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: W. Borth

DISEASE: Dodonaea yellows

HOST: Florida hopbush

Advanced stage of dodonaea yellows and witches'-broom.

Dodonaea yellows | Florida hopbush

DISEASE: Dodonaea yellows

HOST: Florida hopbush (Dodonaea viscosa)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: W. Borth