DISEASE: Bacterial fasciation
HOST: Geranium
Plant with proliferation of shoots at crown.
Bacterial fasciation | Geranium
DISEASE: Bacterial fasciation
HOST: Geranium (Pelargonium grandiflorum)
PATHOGEN: Rhodococcus fascians
SOURCE: M. Daughtrey
DISEASE: Bacterial fasciation
HOST: Papaya
Fasciation symptoms of papaya. Causal agent is unknown.
Bacterial fasciation | Papaya
DISEASE: Bacterial fasciation
HOST: Papaya (Carica papaya)
PATHOGEN: Causal agent unknown
SOURCE: A. Alvarez
DISEASE: Bacterial stem and rhizome rot
HOST: Iris
Iris stem and rhizome with brown, discolored, rotted portions.
Bacterial stem and rhizome rot | Iris
DISEASE: Bacterial stem and rhizome rot
HOST: Iris (Iris sp.)
PATHOGEN: Burkholderia gladioli pv. gladioli
PATHOGEN SYNONYM: Pseudomonas gladioli pv. gladioli
SOURCE: R. Raabe
DISEASE: Bacterial stem and rhizome rot
HOST: Iris
Mushy rot of stems and rhizomes are characteristic of advanced stage of the disease.
Bacterial stem and rhizome rot | Iris
DISEASE: Bacterial stem and rhizome rot
HOST: Iris (Iris sp.)
PATHOGEN: Burkholderia gladioli pv. gladioli
PATHOGEN SYNONYM: Pseudomonas gladioli pv. gladioli
SOURCE: R. Raabe
DISEASE: Greasy center
HOST: Poinsettia
Stem with dark cankers and copious ooze. Necrotic areas are greasy in appearance and eventually turn light tan to brown with a papery texture as the cuticle becomes detached.
Greasy center | Poinsettia
DISEASE: Greasy center
HOST: Poinsettia (Euphorbia pulcherrima)
PATHOGEN: Pseudomonas viridiflava
SOURCE: R. Raabe