DISEASE: Bacterial black spot
HOST: Mango
Mango fruit with oozing lesion (A) and raised, black lesions (B).
Bacterial black spot | Mango
DISEASE: Bacterial black spot
HOST: Mango (Mangifera indica)
PATHOGEN: Xanthomonas campestris pv. mangiferaeindicae
SOURCE: R. Ploetz
DISEASE: Bacterial black spot
HOST: Mango
Mango branch with cankers.
Bacterial black spot | Mango
DISEASE: Bacterial black spot
HOST: Mango (Mangifera indica)
PATHOGEN: Xanthomonas campestris pv. mangiferaeindicae
SOURCE: R. Ploetz
DISEASE: Bacterial black spot
HOST: Mango
Leaf with blackish spots delimited by veins.
Bacterial black spot | Mango
DISEASE: Bacterial black spot
HOST: Mango (Mangifera indica)
PATHOGEN: Xanthomonas campestris pv. mangiferaeindicae
SOURCE: APS
DISEASE: Bacterial black spot
HOST: Mango
Stem and leaf with black necroses.
Bacterial black spot | Mango
DISEASE: Bacterial black spot
HOST: Mango (Mangifera indica)
PATHOGEN: Xanthomonas campestris pv. mangiferaeindicae
SOURCE: APS
DISEASE: Bacterial black spot
HOST: Mango
Oozing cankers on young stem.
Bacterial black spot | Mango
DISEASE: Bacterial black spot
HOST: Mango (Mangifera indica)
PATHOGEN: Xanthomonas campestris pv. mangiferaeindicae
SOURCE: APS
DISEASE: Bacterial blight
HOST: Grass
Timothy grass with light-colored lesions caused by unidentified Xanthomonas sp.
Bacterial blight | Grass
DISEASE: Bacterial blight
HOST: Grass (Phleum pratense)
PATHOGEN: Xanthomonas sp.
SOURCE: M. Shurtleff
DISEASE: Bacterial leaf spot (Blight)
HOST: Elderberry
Elderberry with dark brown to blackish angular leaf spots.
Bacterial leaf spot (Blight) | Elderberry
DISEASE: Bacterial leaf spot (Blight)
HOST: Elderberry (Sambucus racemosa)
PATHOGEN: Xanthomonas sp.
SOURCE: S. Mohan
DISEASE: Elm yellows
HOST: Elm
Symptoms of elm yellows occasionally appear on one branch before others, but more often they involve the entire crown.
Elm yellows | Elm
DISEASE: Elm yellows
HOST: Elm (Ulmus americana)
PATHOGEN: 'Candidatus Phytoplasma ulmi'
PATHOGEN SYNONYM: Phytoplasma Elm yellows group
SOURCE: W. Sinclair
DISEASE: Elm yellows
HOST: Elm
Diseased twig (right) with epinasty, chlorosis, and yellowing of leaves. Sometimes both yellow and green leaves occur on same branch. Healthy branch (left).
Elm yellows | Elm
DISEASE: Elm yellows
HOST: Elm (Ulmus americana)
PATHOGEN: 'Candidatus Phytoplasma ulmi'
PATHOGEN SYNONYM: Phytoplasma Elm yellows group
SOURCE: W. Sinclair