DISEASE: Bacterial leaf spot
HOST: Ficus
Leaf exhibiting systemic invasion of veinal tissues.

Bacterial leaf spot | Ficus
DISEASE: Bacterial leaf spot
HOST: Ficus (Ficus lyrata)
PATHOGEN: Pseudomonas cichorii
SOURCE: J. Yuen
DISEASE: Crown gall
HOST: Euonymus
Dark, rough galls at base of euonymus.

Crown gall | Euonymus
DISEASE: Crown gall
HOST: Euonymus (Euonymus sp.)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: L. Claflin
DISEASE: Pear decline
HOST: Pear
'Bartlett' pears were grafted onto tolerant rootstock. All trees are infected. Note yellowish, diseased branches.

Pear decline | Pear
DISEASE: Pear decline
HOST: Pear (Pyrus communis 'Bartlett')
PATHOGEN: 'Candidatus Phytoplasma pyri'
PATHOGEN SYNONYM: Phytoplasma Apple proliferation group
SOURCE: C. Smart