RESULTS

(6)

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DISEASE: Bacterial fasciation (Shoot proliferation)

HOST: Campanula

Overproduction of new shoots and short, thickened, distorted stems.

Bacterial fasciation (Shoot proliferation) | Campanula

DISEASE: Bacterial fasciation (Shoot proliferation)

HOST: Campanula (Campanula sp.)

PATHOGEN: Rhodococcus fascians

SOURCE: M. Putnam

DISEASE: Bacterial fasciation (Shoot proliferation)

HOST: Candytuft

The disease causes production of multiple shoots.

Bacterial fasciation (Shoot proliferation) | Candytuft

DISEASE: Bacterial fasciation (Shoot proliferation)

HOST: Candytuft (Iberis sp.)

PATHOGEN: Rhodococcus fascians

SOURCE: M. Putnam

DISEASE: Periwinkle wilt

HOST: Periwinkle

Infected plants with stunting and sparse foliage (center and right).

Periwinkle wilt | Periwinkle

DISEASE: Periwinkle wilt

HOST: Periwinkle (Vinca sp.)

PATHOGEN: Xylella fastidiosa

SOURCE: R. McCoy, M. Davis

DISEASE: Periwinkle wilt

HOST: Periwinkle

Draeculacephala minerva, leafhopper vector of Xylella fastidiosa on plants such as periwinkle and watercress.

Periwinkle wilt | Periwinkle

DISEASE: Periwinkle wilt

HOST: Periwinkle (Vinca sp.)

PATHOGEN: Xylella fastidiosa

SOURCE: J. Clark, A. Purcell, M. Davis

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