DISEASE: Cane blight
HOST: Rose
Rose with blighted necrotic cane.

Cane blight | Rose
DISEASE: Cane blight
HOST: Rose (Rosa sp.)
PATHOGEN: Pseudomonas syringae
SOURCE: S. Mohan
DISEASE: Petal blight
HOST: Orchid
Flower petals of Vanda orchid with necrotic spots.

Petal blight | Orchid
DISEASE: Petal blight
HOST: Orchid (Vanda sp.)
PATHOGEN: Acidovorax cattleyae
SOURCE: A. Alvarez
DISEASE: Sweet potato little leaf
HOST: Sweet potato
Infected plant (left) and healthy plant (right).

Sweet potato little leaf | Sweet potato
DISEASE: Sweet potato little leaf
HOST: Sweet potato (Ipomoea batatas)
PATHOGEN: 'Candidatus Phytoplasma aurantifolia'
PATHOGEN SYNONYM: Phytoplasma Peanut witches'-broom group
SOURCE: R. McCoy, M. Davis