DISEASE: Bacterial leaf spot
HOST: Pothos
Leaf with black necrotic tissues with concentric rings of light and dark tissues.
Bacterial leaf spot | Pothos
DISEASE: Bacterial leaf spot
HOST: Pothos (Epipremnum pinnatum)
PATHOGEN: Pseudomonas cichorii
SOURCE: APS
DISEASE: Bacterial wilt
HOST: Pothos
Pothos with infected stem and petioles.
Bacterial wilt | Pothos
DISEASE: Bacterial wilt
HOST: Pothos (Epipremnum aureum)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: D. Norman
DISEASE: Bacterial wilt
HOST: Pothos
Plant with severely infected leaves and stems.
Bacterial wilt | Pothos
DISEASE: Bacterial wilt
HOST: Pothos (Epipremnum aureum)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: D. Norman
DISEASE: Cane blight
HOST: Rose
Rose with blighted necrotic cane.
Cane blight | Rose
DISEASE: Cane blight
HOST: Rose (Rosa sp.)
PATHOGEN: Pseudomonas syringae
SOURCE: S. Mohan
DISEASE: Crown gall
HOST: Rose
Rose with galls near soil line.
Crown gall | Rose
DISEASE: Crown gall
HOST: Rose (Rosa sp.)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: M. Goto
DISEASE: Greening disease
HOST: Periwinkle
Healthy flower and infected flower.
Greening disease | Periwinkle
DISEASE: Greening disease
HOST: Periwinkle (Vinca sp.)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: D. Teakle
DISEASE: Greening disease
HOST: Periwinkle
Diseased plants with phyllody and greenish yellow leaves.
Greening disease | Periwinkle
DISEASE: Greening disease
HOST: Periwinkle (Vinca minor)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: E. Braun
DISEASE: Greening disease
HOST: Periwinkle
The disease causes virescence and phyllody, distorted and discolored leaves, and greening of flowers.
Greening disease | Periwinkle
DISEASE: Greening disease
HOST: Periwinkle (Catharanthus roseus)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: W. Borth
DISEASE: Hairy root
HOST: Rose
Hairy root symptoms of many fibrous roots (right). Noninfected root (left).
Hairy root | Rose
DISEASE: Hairy root
HOST: Rose (Rosa sp.)
PATHOGEN: Agrobacterium rhizogenes
SOURCE: R. Raabe