DISEASE: Bacterial fasciation (Shoot proliferation)
HOST: Campanula
Overproduction of new shoots and short, thickened, distorted stems.
Bacterial fasciation (Shoot proliferation) | Campanula
DISEASE: Bacterial fasciation (Shoot proliferation)
HOST: Campanula (Campanula sp.)
PATHOGEN: Rhodococcus fascians
SOURCE: M. Putnam
DISEASE: Bacterial fasciation (Shoot proliferation)
HOST: Candytuft
The disease causes production of multiple shoots.
Bacterial fasciation (Shoot proliferation) | Candytuft
DISEASE: Bacterial fasciation (Shoot proliferation)
HOST: Candytuft (Iberis sp.)
PATHOGEN: Rhodococcus fascians
SOURCE: M. Putnam
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: Yellow wilt
HOST: Beet
Symptoms of this disease are yellow leaves, wilting, and then collapse. There may be dwarfing of new leaves, yellowing of sectors, and chlorosis of veins.
Yellow wilt | Beet
DISEASE: Yellow wilt
HOST: Beet (Beta vulgaris)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: F. Hills
DISEASE: Yellow wilt
HOST: Beet
Yellowing and dwarfing of sugar beet (left), an early stage of disease.
Yellow wilt | Beet
DISEASE: Yellow wilt
HOST: Beet (Beta vulgaris)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: J. McFarlane