RESULTS

(22)

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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: Witches'-broom

HOST: Citrus (Lime)

Lime tree with compact, small leaves (witches'-broom). Leaves on older brooms dry out and eventually drop, leaving dead, bare branches. There are no flowers or fruit on brooms.

Witches'-broom | Citrus (Lime)

DISEASE: Witches'-broom

HOST: Citrus (Lime) (Citrus sp.)

PATHOGEN: 'Candidatus Phytoplasma aurantifolia'

PATHOGEN SYNONYM: Phytoplasma Peanut witches'-broom group

SOURCE: J. Bove, M. Garnier