RESULTS

(5)

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DISEASE: Brown rot (Bacteral wilt)

HOST: Potato

Wilted, stunted plants with yellowing foliage.

Brown rot (Bacteral wilt) | Potato

DISEASE: Brown rot (Bacteral wilt)

HOST: Potato (Solanum tuberosum)

PATHOGEN: Ralstonia solanacearum

PATHOGEN SYNONYM: Pseudomonas solanacearum

SOURCE: D. P. Weingartner

DISEASE: Brown rot (Bacteral wilt)

HOST: Potato

External symptoms of the disease.

Brown rot (Bacteral wilt) | Potato

DISEASE: Brown rot (Bacteral wilt)

HOST: Potato (Solanum tuberosum)

PATHOGEN: Ralstonia solanacearum

PATHOGEN SYNONYM: Pseudomonas solanacearum

SOURCE: D. Thurston

DISEASE: Brown rot (Bacteral wilt)

HOST: Potato

Tubers with distinct grayish brown rings and bacterial ooze from vascular tissues.

Brown rot (Bacteral wilt) | Potato

DISEASE: Brown rot (Bacteral wilt)

HOST: Potato (Solanum tuberosum)

PATHOGEN: Ralstonia solanacearum

PATHOGEN SYNONYM: Pseudomonas solanacearum

SOURCE: A. Hayward

DISEASE: Marginal leaf blight

HOST: Lettuce

Marginal leaf blight first appears as slimy wilting of leaf margins. Small, reddish lesions may be seen on leaf blades. Infected tissues turn brown to black in time.

Marginal leaf blight | Lettuce

DISEASE: Marginal leaf blight

HOST: Lettuce (Lactuca sativa)

PATHOGEN: Pseudomonas marginalis

SOURCE: L. Fucikovsky

DISEASE: X-disease (Peach yellow leaf roll)

HOST: Peach

Peach twig with yellow, curled (rolled) leaves.

X-disease (Peach yellow leaf roll) | Peach

DISEASE: X-disease (Peach yellow leaf roll)

HOST: Peach (Prunus persica)

PATHOGEN: 'Candidatus Phytoplasma mali'

PATHOGEN SYNONYM: Phytoplasma Apple proliferation group

SOURCE: W. Sinclair