RESULTS

(4)

FILTER

DISEASE: Bacterial fasciation

HOST: Geranium

Plant with proliferation of shoots at crown.

Bacterial fasciation | Geranium

DISEASE: Bacterial fasciation

HOST: Geranium (Pelargonium grandiflorum)

PATHOGEN: Rhodococcus fascians

SOURCE: M. Daughtrey

DISEASE: Bacterial fasciation

HOST: Papaya

Fasciation symptoms of papaya. Causal agent is unknown.

Bacterial fasciation | Papaya

DISEASE: Bacterial fasciation

HOST: Papaya (Carica papaya)

PATHOGEN: Causal agent unknown

SOURCE: A. Alvarez

DISEASE: European stone fruit yellows

HOST: Almond

The disease causes yellowing and rolling of leaves (right). Leaves become thick and rough in texture. Healthy leaves (left).

European stone fruit yellows | Almond

DISEASE: European stone fruit yellows

HOST: Almond (Prunus dulcis)

PATHOGEN: 'Candidatus Phytoplasma prunorum'

PATHOGEN SYNONYM: Phytoplasma Apple proliferation group

SOURCE: E. Seemueller

DISEASE: Marginal leaf blight

HOST: Lettuce

Marginal leaf blight first appears as slimy wilting of leaf margins. Small, reddish lesions may be seen on leaf blades. Infected tissues turn brown to black in time.

Marginal leaf blight | Lettuce

DISEASE: Marginal leaf blight

HOST: Lettuce (Lactuca sativa)

PATHOGEN: Pseudomonas marginalis

SOURCE: L. Fucikovsky