RESULTS

(42)

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DISEASE: Citrus variegated chlorosis

HOST: Citrus (Orange)

Diseased tree with sparse foliage.

Citrus variegated chlorosis | Citrus (Orange)

DISEASE: Citrus variegated chlorosis

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Xylella fastidiosa

SOURCE: S. Purcell

DISEASE: Citrus variegated chlorosis

HOST: Citrus (Orange)

Typical symptoms of the disease are discoloration of infected leaves, brown spots on lower sides of leaves, chlorosis on upper sides, and undersized fruit (left). Healthy fruit and leaves (right).

Citrus variegated chlorosis | Citrus (Orange)

DISEASE: Citrus variegated chlorosis

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Xylella fastidiosa

SOURCE: S. Purcell

DISEASE: Citrus variegated chlorosis

HOST: Citrus (Orange)

Severely infected tree with typical stunting and chlorosis. Symptoms may appear on only one branch of the canopy.

Citrus variegated chlorosis | Citrus (Orange)

DISEASE: Citrus variegated chlorosis

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Xylella fastidiosa

SOURCE: M. J. G. Beretta

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