DISEASE: Dodonaea yellows
HOST: Florida hopbush
Hopbush with brownish red witches'-broom.
Dodonaea yellows | Florida hopbush
DISEASE: Dodonaea yellows
HOST: Florida hopbush (Dodonaea viscosa)
PATHOGEN: 'Candidatus Phytoplasma pruni'
PATHOGEN SYNONYM: Phytoplasma X-disease group
SOURCE: W. Borth
DISEASE: Dodonaea yellows
HOST: Florida hopbush
Advanced stage of dodonaea yellows and witches'-broom.
Dodonaea yellows | Florida hopbush
DISEASE: Dodonaea yellows
HOST: Florida hopbush (Dodonaea viscosa)
PATHOGEN: 'Candidatus Phytoplasma pruni'
PATHOGEN SYNONYM: Phytoplasma X-disease group
SOURCE: W. Borth
DISEASE: Larkspur virescence
HOST: Larkspur
Two diseased plants with stunted and small leaves, lack of flower coloration, and bunched flower buds. Healthy plant (left).
Larkspur virescence | Larkspur
DISEASE: Larkspur virescence
HOST: Larkspur (Delphinium sp.)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: R. Raabe
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