RESULTS

(13)

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DISEASE: Citrus stubborn disease

HOST: Citrus (Orange)

Fruit from a diseased tree are frequently lopsided or acorn-shaped, usually few and small. They may not color at stem end.

Citrus stubborn disease | Citrus (Orange)

DISEASE: Citrus stubborn disease

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Spiroplasma citri

SOURCE: J. M. Bove, M. Garnier

DISEASE: Citrus stubborn disease

HOST: Citrus (Orange)

Sweet orange exhibiting off-season flowering and crop heterogeneity. Diseased trees generally have shoots with shortened internodes, which lead to rosettes with cupped leaves.

Citrus stubborn disease | Citrus (Orange)

DISEASE: Citrus stubborn disease

HOST: Citrus (Orange) (Citrus sinensis)

PATHOGEN: Spiroplasma citri

SOURCE: J. M. Bove, M. Garnier

DISEASE: Witches'-broom

HOST: Lilac

Lilac with broomlike symptoms and dead twigs.

Witches'-broom | Lilac

DISEASE: Witches'-broom

HOST: Lilac (Syringa josiflexa 'Royalty')

PATHOGEN: 'Candidatus Phytoplasma fraxini'

PATHOGEN SYNONYM: Phytoplasma Ash yellows group

SOURCE: C. Hibben, W. Sinclair

DISEASE: Witches'-broom

HOST: Lilac

Small tree with some chlorotic leaves and deliquescent branching.

Witches'-broom | Lilac

DISEASE: Witches'-broom

HOST: Lilac (Syringa × prestoniae)

PATHOGEN: 'Candidatus Phytoplasma fraxini'

PATHOGEN SYNONYM: Phytoplasma Ash yellows group

SOURCE: W. Sinclair