RESULTS

(14)

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DISEASE: Purple stain

HOST: Papaya

Purple pigmentation of internal tissues near peduncle end of fruits. Pigmentation and yellow translucence of papaya flesh are more evident of fruit on right.

Purple stain | Papaya

DISEASE: Purple stain

HOST: Papaya (Carica papaya)

PATHOGEN: Pantoea agglomerans

PATHOGEN SYNONYM: Erwinia herbicola

SOURCE: M. Nelson

DISEASE: Purple stain

HOST: Papaya

Purple pigmentation of internal tissues.

Purple stain | Papaya

DISEASE: Purple stain

HOST: Papaya (Carica papaya)

PATHOGEN: Pantoea agglomerans

PATHOGEN SYNONYM: Erwinia herbicola

SOURCE: M. Nelson

DISEASE: Purple stain

HOST: Papaya

Another view of purple discoloration at peduncle end. Bacteria are found in vascular tissues and latex ducts.

Purple stain | Papaya

DISEASE: Purple stain

HOST: Papaya (Carica papaya)

PATHOGEN: Pantoea agglomerans

PATHOGEN SYNONYM: Erwinia herbicola

SOURCE: K. Nishijima

DISEASE: Purple stain

HOST: Papaya

Cross section of fruit exhibiting purplish discoloration in latex ducts.

Purple stain | Papaya

DISEASE: Purple stain

HOST: Papaya (Carica papaya)

PATHOGEN: Pantoea agglomerans

PATHOGEN SYNONYM: Erwinia herbicola

SOURCE: M. Nelson, A. Alvarez

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

X-disease causes undersized, yellowish fruit. Diseased branches turn rusty red near end of season. Some defoliation occurs on diseased branches.

X-disease (Western X) or buckskin | Cherry

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry (Prunus cerasus)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: A. Jones