DISEASE: Crown gall
HOST: Forsythia
Crown galls on forsythia stems.
Crown gall | Forsythia
DISEASE: Crown gall
HOST: Forsythia (Forsythia sp.)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: M. Shurtleff
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
DISEASE: Lethal decline
HOST: Palm
Date palm exhibiting symptoms of lethal decline.
Lethal decline | Palm
DISEASE: Lethal decline
HOST: Palm (Phoenix dactylifera)
PATHOGEN: 'Candidatus Phytoplasma palmae'
PATHOGEN SYNONYM: Phytoplasma Coconut lethal yellowing group
SOURCE: W. Sinclair
DISEASE: Lethal decline
HOST: Palm
Date palm with late stage of lethal decline.
Lethal decline | Palm
DISEASE: Lethal decline
HOST: Palm (Phoenix dactylifera)
PATHOGEN: 'Candidatus Phytoplasma palmae'
PATHOGEN SYNONYM: Phytoplasma Coconut lethal yellowing group
SOURCE: W. Sinclair