RESULTS

(5)

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DISEASE: Bacterial flower stalk and leaf necrosis

HOST: Onion

Dark, rotted areas of stalk and leaves caused by systemic invasion of the pathogen.

Bacterial flower stalk and leaf necrosis | Onion

DISEASE: Bacterial flower stalk and leaf necrosis

HOST: Onion (Allium cepa)

PATHOGEN: Pseudomonas marginalis pv. marginalis

SOURCE: S. Mohan

DISEASE: Bacterial flower stalk and leaf necrosis

HOST: Onion

Gray-brown rot of onion after inoculation. Disease starts as small, water-soaked lesions that later develop into slimy, gray-brown rot. The disease progresses downward from the stalk and may rot the entire bulb.

Bacterial flower stalk and leaf necrosis | Onion

DISEASE: Bacterial flower stalk and leaf necrosis

HOST: Onion (Allium cepa)

PATHOGEN: Pseudomonas marginalis pv. marginalis

SOURCE: R. Gitaitis

DISEASE: Bacterial flower stalk and leaf necrosis

HOST: Onion

Leaves with necrosis and rot. The common name for this disease is the same as those used for two other diseases. Also, another common name for this disease is bacterial soft rot.

Bacterial flower stalk and leaf necrosis | Onion

DISEASE: Bacterial flower stalk and leaf necrosis

HOST: Onion (Allium cepa)

PATHOGEN: Pseudomonas marginalis pv. marginalis

SOURCE: S. Mohan

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: Red stripe (Top rot)

HOST: Sugarcane

Symptoms of disease are long, narrow, and sharply delineated red stripes. Top rot, another stage, may occur with or without red stripes.

Red stripe (Top rot) | Sugarcane

DISEASE: Red stripe (Top rot)

HOST: Sugarcane (Saccharum officinarum)

PATHOGEN: Acidovorax avenae

PATHOGEN SYNONYM: Acidovorax avenae subsp. avenae

SOURCE: APS