Healthy anthurium spathe and spadix. However, plants with latent infections appear healthy.
DISEASE:
HOST: Anthurium
| Anthurium
HOST: Anthurium (Anthurium andraeanum 'Pink Frost')
PATHOGEN:
SOURCE: A. Alvarez
DISEASE: Drippy nut disease
HOST: Oak
Ooze from young twig inoculated with Brenneria quercina.
Drippy nut disease | Oak
DISEASE: Drippy nut disease
HOST: Oak (Quercus agrifolia)
PATHOGEN: Brenneria quercina
PATHOGEN SYNONYM: Erwinia quercina
SOURCE: M. Schroth
DISEASE: Drippy nut disease
HOST: Oak
Ooze from infected acorn. Copious ooze drips from infected acorns, leaving sticky spots on objects under tree canopy. Infections are associated with insect oviposit wounds.
Drippy nut disease | Oak
DISEASE: Drippy nut disease
HOST: Oak (Quercus agrifolia)
PATHOGEN: Brenneria quercina
PATHOGEN SYNONYM: Erwinia quercina
SOURCE: M. Schroth
DISEASE: Fire blight
HOST: Scarlet firethorn
Pyracantha with blighted twig. Ingress was probably through blossoms. Cankers commonly occur on branches.
Fire blight | Scarlet firethorn
DISEASE: Fire blight
HOST: Scarlet firethorn (Pyracantha coccinea)
PATHOGEN: Erwinia amylovora
SOURCE: W. Sinclair