RESULTS

(7)

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DISEASE: Citrus canker

HOST: Citrus (Orange)

Leaf with leaf miner tunnels and numerous cankerlike lesions.

Citrus canker | Citrus (Orange)

DISEASE: Citrus canker

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: T. Gottwald

DISEASE: Citrus canker

HOST: Citrus (Orange)

Upper side of leaves with corky, raised lesions surrounded by yellow halos, a late stage of disease. Such infections usually are visible on lower sides of leaves first and soon after on upper sides.

Citrus canker | Citrus (Orange)

DISEASE: Citrus canker

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: J. H. Graham

DISEASE: Citrus canker

HOST: Citrus (Orange)

Yellowish halos are seen around lesions on the upper leaf surface, whereas lesions on the lower surface are more corky in appearance and have sunken centers without halos.

Citrus canker | Citrus (Orange)

DISEASE: Citrus canker

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: J. Young

DISEASE: Citrus canker

HOST: Citrus (Orange)

Leaves with necrotic lesions and yellow halos.

Citrus canker | Citrus (Orange)

DISEASE: Citrus canker

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: T. Gottwald

DISEASE: Citrus canker

HOST: Citrus (Orange)

Fruit with corky, raised lesions surrounded by yellow tissues. Cankers on leaves also have yellow halos.

Citrus canker | Citrus (Orange)

DISEASE: Citrus canker

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: J. Miller, A. Alvarez

DISEASE: Citrus canker

HOST: Citrus (Orange)

Symptoms of severe disease are defoliation and sparseness of foliage.

Citrus canker | Citrus (Orange)

DISEASE: Citrus canker

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: J. Miller, A. Alvarez

DISEASE: Citrus canker

HOST: Citrus (Orange)

Fruit drop caused by the disease.

Citrus canker | Citrus (Orange)

DISEASE: Citrus canker

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: J. Miller, A. Alvarez