DISEASE: Coffee leaf scorch
HOST: Coffee
Diseased twig with yellowish, stunted leaves (left). Healthy twig with normal-sized leaves (right).

Coffee leaf scorch | Coffee
DISEASE: Coffee leaf scorch
HOST: Coffee (Coffea arabica)
PATHOGEN: Xylella fastidiosa
SOURCE: S. Purcell
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: Saber tooth
HOST: Lily
Lily with deformed growth that resembles a saber tooth.

Saber tooth | Lily
DISEASE: Saber tooth
HOST: Lily (Lilium sp. 'Enchantment')
PATHOGEN: Curtobacterium flaccumfaciens pv. oortii
PATHOGEN SYNONYM: Corynebacterium flaccumfaciens subsp. oortii
SOURCE: H. van Hoof, J. van der Wolf