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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: Rugose leaf curl

HOST: Clover

Two rugose, distorted white clover leaves and a healthy leaf. Rugose leaf curl is caused by an unidentified phloem-infecting bacterium.

Rugose leaf curl | Clover

DISEASE: Rugose leaf curl

HOST: Clover (Trifolium repens)

PATHOGEN: Phloem-infecting bacterium

SOURCE: D. Teakle