RESULTS

(5)

FILTER

DISEASE: Bacterial hyperplastic canker

HOST: Almond

Diseased tree with multiple cankers. Margins of cankers are rough, soft, cheesy, dark brown, and have scalloped water-soaked spots that turn brown. Multiple cankers may girdle and kill small twigs.

Bacterial hyperplastic canker | Almond

DISEASE: Bacterial hyperplastic canker

HOST: Almond (Prunus dulcis)

PATHOGEN: Pseudomonas amygdali

SOURCE: P. Psallidas

DISEASE: Maize bushy stunt

HOST: Corn (Maize)

Maize with chlorotic leaf margins and reddening of tips and margins of older leaves.

Maize bushy stunt | Corn (Maize)

DISEASE: Maize bushy stunt

HOST: Corn (Maize) (Zea mays)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: L. Nault, M. Davis

DISEASE: Maize bushy stunt

HOST: Corn (Maize)

Late stage of disease.

Maize bushy stunt | Corn (Maize)

DISEASE: Maize bushy stunt

HOST: Corn (Maize) (Zea mays)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: R. Davis, M. Davis

DISEASE: Maize bushy stunt

HOST: Corn (Maize)

Dalbulus maidis, leafhopper vector of 'Candidatus Phytoplasma asteris', the cause of maize bushy stunt.

Maize bushy stunt | Corn (Maize)

DISEASE: Maize bushy stunt

HOST: Corn (Maize) (Zea mays)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: L. Nault, M. Davis

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