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DISEASE: Bacterial needle blight

HOST: China fir

Leaves with brown blotches. Some are dead.

Bacterial needle blight | China fir

DISEASE: Bacterial needle blight

HOST: China fir (Cunninghamia lanceolata)

PATHOGEN: Pseudomonas syringae pv. cunninghamiae

SOURCE: M. Goto

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: Multiplier disease

HOST: Strawberry

Multiplier disease causes production of numerous crowns along runners.

Multiplier disease | Strawberry

DISEASE: Multiplier disease

HOST: Strawberry (Fragaria × ananassa)

PATHOGEN: 'Candidatus Phytoplasma trifolii'

PATHOGEN SYNONYM: Phytoplasma Clover proliferation group

SOURCE: M. Clark