RESULTS

(8)

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DISEASE: Bacterial gall

HOST: Carrot

Root with many galls of different sizes.

Bacterial gall | Carrot

DISEASE: Bacterial gall

HOST: Carrot (Daucus carota)

PATHOGEN: Rhizobacter dauci

SOURCE: H. Kuwata

DISEASE: Bacterial gall

HOST: Carrot

Galls caused from inoculation of injured roots (left two) and uninjured roots (center two). Uninjured, noninoculated root (right).

Bacterial gall | Carrot

DISEASE: Bacterial gall

HOST: Carrot (Daucus carota)

PATHOGEN: Rhizobacter dauci

SOURCE: M. Goto

DISEASE: Bacterial mosaic

HOST: Wheat

Diseased leaves with mosaic pattern exhibiting various amounts of yellowing. Leaves were artificially inoculated by vacuum infiltration.

Bacterial mosaic | Wheat

DISEASE: Bacterial mosaic

HOST: Wheat (Triticum aestivum)

PATHOGEN: Clavibacter michiganensis subsp. tessellarius

SOURCE: A. Vidaver

DISEASE: Pith necrosis

HOST: Geranium

Geranium with wilted, yellow necrotic leaves.

Pith necrosis | Geranium

DISEASE: Pith necrosis

HOST: Geranium (Pelargonium sp.)

PATHOGEN: Pseudomonas corrugata

SOURCE: A. Magyarosy, D. Thomas

DISEASE: Pith necrosis

HOST: Geranium

Pitted and hollow stems, one of the disease symptoms.

Pith necrosis | Geranium

DISEASE: Pith necrosis

HOST: Geranium (Pelargonium sp.)

PATHOGEN: Pseudomonas corrugata

SOURCE: A. Magyarosy, D. Thomas

DISEASE: Pith necrosis

HOST: Geranium

Discolored stem caused by systemic infection of the pathogen.

Pith necrosis | Geranium

DISEASE: Pith necrosis

HOST: Geranium (Pelargonium sp.)

PATHOGEN: Pseudomonas corrugata

SOURCE: A. Magyarosy, D. Thomas

DISEASE: Pith necrosis

HOST: Tomato

Cracked, dry, hollow stems with internal necrosis.

Pith necrosis | Tomato

DISEASE: Pith necrosis

HOST: Tomato (Lycopersicon esculentum)

PATHOGEN: Pseudomonas corrugata

SOURCE: A. Alvarez

DISEASE: Pith necrosis

HOST: Tomato

External necrotic stem tissues. Initial symptoms include chlorosis of young leaves. Wilting may occur when disease is severe.

Pith necrosis | Tomato

DISEASE: Pith necrosis

HOST: Tomato (Lycopersicon esculentum)

PATHOGEN: Pseudomonas corrugata

SOURCE: K. Natsuaki, M. Goto