DISEASE: Aster yellows
HOST: Kalanchoe
Kalanchoe with malformed inflorescences.
Aster yellows | Kalanchoe
DISEASE: Aster yellows
HOST: Kalanchoe (Kalanchoe sp.)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: R. Raabe
DISEASE: Bacterial brown spot
HOST: Mallotus
Leaf with small, rustylike lesions.
Bacterial brown spot | Mallotus
DISEASE: Bacterial brown spot
HOST: Mallotus (Mallotus japonicus)
PATHOGEN: Xanthomonas campestris pv. malloti
SOURCE: M. Goto
DISEASE: Bacterial brown spot
HOST: Mallotus
Leaf with tiny, light brown spots surrounded by chlorotic zones.
Bacterial brown spot | Mallotus
DISEASE: Bacterial brown spot
HOST: Mallotus (Mallotus japonicus)
PATHOGEN: Xanthomonas campestris pv. malloti
SOURCE: M. Kobayashi, M. Goto
DISEASE: Bacterial leaf spot
HOST: Mallotus
Leaf with dark and water-soaked lesions along veins.
Bacterial leaf spot | Mallotus
DISEASE: Bacterial leaf spot
HOST: Mallotus (Mallotus japonicus)
PATHOGEN: Erwinia mallotivora
SOURCE: M. Kobayashi, M. Goto
DISEASE: Bacterial leaf spot
HOST: Mallotus
Leaves with water-soaking, and one also with dark spots surrounded by chlorotic tissues.
Bacterial leaf spot | Mallotus
DISEASE: Bacterial leaf spot
HOST: Mallotus (Mallotus japonicus)
PATHOGEN: Erwinia mallotivora
SOURCE: M. Kobayashi, M. Goto
DISEASE: Bacterial leaf spot
HOST: Nephthytis
Leaf with concentric rings of dark tissues. There has been confusion of the causal agent with Dickeya sp., which also causes mushy leaf spots.
Bacterial leaf spot | Nephthytis
DISEASE: Bacterial leaf spot
HOST: Nephthytis (Syngonium podophyllum)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: A. Chase
DISEASE: Bacterial leaf spot
HOST: Nephthytis
Water-soaked tissues and large, dark brown necrotic areas at leaf margins. Healthy (center leaf).
Bacterial leaf spot | Nephthytis
DISEASE: Bacterial leaf spot
HOST: Nephthytis (Syngonium podophyllum)
PATHOGEN: Pseudomonas cichorii
SOURCE: S. Thomson
DISEASE: Syngonium blight
HOST: Nephthytis
Leaf with large, brown to blackish necrotic areas.
Syngonium blight | Nephthytis
DISEASE: Syngonium blight
HOST: Nephthytis (Syngonium podophyllum)
PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae
PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae
SOURCE: R. Raabe