RESULTS

(8)

FILTER

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 heart rot

HOST: Palm

Palm with advanced stage of heart rot. Symptoms of mature palms include rapid browning and desiccation of foliage, rot of roots and buds, and aborted fruits.

Bacterial heart rot | Palm

DISEASE: Bacterial heart rot

HOST: Palm (Cocos nucifera)

PATHOGEN: Phytomonas sp.

SOURCE: R. McCoy, M. Davis

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: Drippy gill

HOST: Mushroom

Drippy gill is characterized by small dark spots on gills with drops of bacterial ooze at the centers. Severe infection results in slimy areas and collapse of gills.

Drippy gill | Mushroom

DISEASE: Drippy gill

HOST: Mushroom (Agaricus campestris)

PATHOGEN: Pseudomonas agarici

SOURCE: J. Young

DISEASE: Drippy gill

HOST: Mushroom

Close-up of infected gills with bacterial ooze.

Drippy gill | Mushroom

DISEASE: Drippy gill

HOST: Mushroom (Agaricus campestris)

PATHOGEN: Pseudomonas agarici

SOURCE: J. Young

DISEASE: Drippy gill

HOST: Mushroom

Another view of small, dark spots on gills.

Drippy gill | Mushroom

DISEASE: Drippy gill

HOST: Mushroom (Agaricus campestris)

PATHOGEN: Pseudomonas agarici

SOURCE: J. Young

DISEASE: Sudden death (Wilt)

HOST: Palm

Palm in Columbia with severe yellowing of leaves.

Sudden death (Wilt) | Palm

DISEASE: Sudden death (Wilt)

HOST: Palm (Elaeis guineensis)

PATHOGEN: Phytomonas sp.

SOURCE: R. McCoy, M. Davis

DISEASE: Sudden death (Wilt)

HOST: Palm

Palm with desiccated, wilted leaves, a symptom of the disease.

Sudden death (Wilt) | Palm

DISEASE: Sudden death (Wilt)

HOST: Palm (Elaeis guineensis)

PATHOGEN: Phytomonas sp.

SOURCE: R. McCoy, M. Davis