RESULTS

(7)

FILTER

DISEASE: Bacterial hyperplastic canker

HOST: Almond

Diseased tree with multiple cankers. Margins of cankers are rough, soft, cheesy, dark brown, and have scalloped water-soaked spots that turn brown. Multiple cankers may girdle and kill small twigs.

Bacterial hyperplastic canker | Almond

DISEASE: Bacterial hyperplastic canker

HOST: Almond (Prunus dulcis)

PATHOGEN: Pseudomonas amygdali

SOURCE: P. Psallidas

DISEASE: Gumming disease

HOST: Sugarcane

Symptoms include brownish red streaks on leaves with apical chlorosis. Streaks become necrotic with time. Plants are stunted with reddening of vascular bundles.

Gumming disease | Sugarcane

DISEASE: Gumming disease

HOST: Sugarcane (Saccharum officinarum)

PATHOGEN: Xanthomonas axonopodis pv. vasculorum

PATHOGEN SYNONYM: Xanthomonas campestris pv. vasculorum

SOURCE: APS

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