DISEASE: Blister spot
HOST: Apple
Fruit with water-soaked spots.
Blister spot | Apple
DISEASE: Blister spot
HOST: Apple (Malus domestica)
PATHOGEN: Pseudomonas syringae pv. papulans
SOURCE: T. Burr
DISEASE: Blister spot
HOST: Apple
Water-soaked blister spots on leaves of blighted twig.
Blister spot | Apple
DISEASE: Blister spot
HOST: Apple (Malus domestica)
PATHOGEN: Pseudomonas syringae pv. papulans
SOURCE: T. Burr
DISEASE: Blister spot
HOST: Apple
Apple with brownish blister spots.
Blister spot | Apple
DISEASE: Blister spot
HOST: Apple (Malus domestica 'Mutsu')
PATHOGEN: Pseudomonas syringae pv. papulans
SOURCE: S. Thomson
DISEASE: Blister spot
HOST: Apple
Late stage of blister spot. The purplish black lesions are associated with lenticels and stomata.
Blister spot | Apple
DISEASE: Blister spot
HOST: Apple (Malus domestica 'Crispin')
PATHOGEN: Pseudomonas syringae pv. papulans
SOURCE: T. Burr
DISEASE: Lethal yellowing/scorch
HOST: Beet
Blue-green sharpshooter (Graphocephala atropunctata) transmits Xylella fastidiosa and has a large host range, including palms, grasses, and grapes.
Lethal yellowing/scorch | Beet
DISEASE: Lethal yellowing/scorch
HOST: Beet (Beta vulgaris)
PATHOGEN: Xylella fastidiosa
SOURCE: A. Purcell, M. Davis
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