RESULTS

(14)

FILTER

DISEASE: Citrus variegated chlorosis

HOST: Citrus (sp. unknown)

Leaf with chlorosis in interveinal spaces and brown spots visible on lower leaf surface.

Citrus variegated chlorosis | Citrus (sp. unknown)

DISEASE: Citrus variegated chlorosis

HOST: Citrus (sp. unknown) (Citrus sp.)

PATHOGEN: Xylella fastidiosa

SOURCE: M. J. G. Beretta

DISEASE: Citrus variegated chlorosis

HOST: Citrus (sp. unknown)

Interveinal chlorosis on upper side of leaves.

Citrus variegated chlorosis | Citrus (sp. unknown)

DISEASE: Citrus variegated chlorosis

HOST: Citrus (sp. unknown) (Citrus sp.)

PATHOGEN: Xylella fastidiosa

SOURCE: M. J. G. Beretta

DISEASE: Citrus variegated chlorosis

HOST: Citrus (sp. unknown)

Leafhopper (Oncometopia nigricans) vector of Xylella fastidiosa, which transmits citrus variegated chlorosis.

Citrus variegated chlorosis | Citrus (sp. unknown)

DISEASE: Citrus variegated chlorosis

HOST: Citrus (sp. unknown) (Citrus sp.)

PATHOGEN: Xylella fastidiosa

SOURCE: D. Hopkins

DISEASE: Pear decline

HOST: Pear

'Bartlett' pears were grafted onto tolerant rootstock. All trees are infected. Note yellowish, diseased branches.

Pear decline | Pear

DISEASE: Pear decline

HOST: Pear (Pyrus communis 'Bartlett')

PATHOGEN: 'Candidatus Phytoplasma pyri'

PATHOGEN SYNONYM: Phytoplasma Apple proliferation group

SOURCE: C. Smart

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