RESULTS

(5)

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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

DISEASE: Sour skin

HOST: Onion

Symptoms of sour skin are characterized by slimy, pale yellow to light brown decay.

Sour skin | Onion

DISEASE: Sour skin

HOST: Onion (Allium cepa)

PATHOGEN: Burkholderia cepacia

PATHOGEN SYNONYM: Pseudomonas cepacia

SOURCE: Dep. of Agric. & Agri-Food, Government of Canada

DISEASE: Sour skin

HOST: Onion

Characteristic pale yellow to browning of infected area.

Sour skin | Onion

DISEASE: Sour skin

HOST: Onion (Allium cepa)

PATHOGEN: Burkholderia cepacia

PATHOGEN SYNONYM: Pseudomonas cepacia

SOURCE: R. Gitaitis

DISEASE: Syringae leaf spot

HOST: Tomato

Leaves with brown necrotic lesions and chlorotic margins. Symptoms vary greatly among cultivars. Some have black or brown lesions with bright yellow, chlorotic areas and others do not have yellowing.

Syringae leaf spot | Tomato

DISEASE: Syringae leaf spot

HOST: Tomato (Lycopersicon esculentum)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: R. Gitaitis