DISEASE: Bacterial seed and seedling rot
HOST: Geranium
Cotyledons with water-soaked spots.
Bacterial seed and seedling rot | Geranium
DISEASE: Bacterial seed and seedling rot
HOST: Geranium (Pelargonium sp.)
PATHOGEN: Paenibacillus sp.
SOURCE: A. Magyarosy, D. Thomas
DISEASE: Bacterial seed and seedling rot
HOST: Geranium
Rotted and discolored seeds (right). Healthy seeds (left).
Bacterial seed and seedling rot | Geranium
DISEASE: Bacterial seed and seedling rot
HOST: Geranium (Pelargonium sp.)
PATHOGEN: Paenibacillus sp.
SOURCE: A. Magyarosy, D. Thomas
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
DISEASE: Wildfire
HOST: Soybean
Close-up of lesions with large, yellow halos.
Wildfire | Soybean
DISEASE: Wildfire
HOST: Soybean (Glycine max)
PATHOGEN: Pseudomonas syringae pv. tabaci
SOURCE: J. Forsberg, M. Shurtleff
DISEASE: Wildfire
HOST: Soybean
Leaf with brown necrotic spots with yellow halos. During dry weather, lesions become dry and dead areas tear off, leaving a tattered appearance.
Wildfire | Soybean
DISEASE: Wildfire
HOST: Soybean (Glycine max)
PATHOGEN: Pseudomonas syringae pv. tabaci
SOURCE: D. Teakle