GREASY CENTER
|
Poinsettia

SOURCE:
R. Raabe
DISEASE:
Greasy center
HOST:
Poinsettia
(Euphorbia pulcherrima)
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.
PATHOGEN:
Pseudomonas viridiflava