RESULTS

(5)

FILTER

DISEASE: Bacterial leaf spot (Canker)

HOST: Ginkgo

Ginkgo leaf with dark brown, elongated necrotic spots.

Bacterial leaf spot (Canker) | Ginkgo

DISEASE: Bacterial leaf spot (Canker)

HOST: Ginkgo (Ginkgo biloba)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: A. Bishop

DISEASE: Bacterial leaf spot (Canker)

HOST: Ginkgo

Ginkgo with leaf spots and canker on stem.

Bacterial leaf spot (Canker) | Ginkgo

DISEASE: Bacterial leaf spot (Canker)

HOST: Ginkgo (Ginkgo biloba)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: A. Bishop

DISEASE: Greasy center

HOST: Poinsettia

Stem with dark cankers and copious ooze. Necrotic areas are greasy in appearance and eventually turn light tan to brown with a papery texture as the cuticle becomes detached.

Greasy center | Poinsettia

DISEASE: Greasy center

HOST: Poinsettia (Euphorbia pulcherrima)

PATHOGEN: Pseudomonas viridiflava

SOURCE: R. Raabe

DISEASE: Phony disease (Phony peach)

HOST: Peach

Tree with characteristic reduced growth. Foliage is dark green, then turns yellowish. Twigs become brittle and branches die back. Fruit are small.

Phony disease (Phony peach) | Peach

DISEASE: Phony disease (Phony peach)

HOST: Peach (Prunus persica)

PATHOGEN: Xylella fastidiosa

SOURCE: P. C. Anderson

DISEASE: Phony disease (Phony peach)

HOST: Peach

Twigs on diseased trees have shortened internodes and increased lateral branching.

Phony disease (Phony peach) | Peach

DISEASE: Phony disease (Phony peach)

HOST: Peach (Prunus persica)

PATHOGEN: Xylella fastidiosa

SOURCE: M. Davis