RESULTS

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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: Rice yellow dwarf

HOST: Rice

Stunted and chlorotic plant with profuse tillering.

Rice yellow dwarf | Rice

DISEASE: Rice yellow dwarf

HOST: Rice (Oryza sativa)

PATHOGEN: 'Candidatus Phytoplasma oryzae'

PATHOGEN SYNONYM: Phytoplasma Rice yellow dwarf group

SOURCE: B. Raju, M. Davis

DISEASE: Xanthomonas leaf spot

HOST: Cabbage

Cabbage leaf with small lesions. Lesions may enlarge and coalesce, causing distortion. Stem lesions are black and sunken and may cause death of the plants.

Xanthomonas leaf spot | Cabbage

DISEASE: Xanthomonas leaf spot

HOST: Cabbage (Brassica oleracea var. capitata)

PATHOGEN: Xanthomonas campestris pv. raphani

SOURCE: R. Gitaitis