Healthy anthurium spathe and spadix. However, plants with latent infections appear healthy.
DISEASE:
HOST: Anthurium
| Anthurium
HOST: Anthurium (Anthurium andraeanum 'Pink Frost')
PATHOGEN:
SOURCE: A. Alvarez
DISEASE: Pseudomonas leaf spot
HOST: Marigold
Plants with bright yellow apical chlorosis.
Pseudomonas leaf spot | Marigold
DISEASE: Pseudomonas leaf spot
HOST: Marigold (Tagetes patula)
PATHOGEN: Pseudomonas syringae pv. tagetis
SOURCE: R. Durbin
DISEASE: Witches'-broom
HOST: Lilac
Lilac with broomlike symptoms and dead twigs.
Witches'-broom | Lilac
DISEASE: Witches'-broom
HOST: Lilac (Syringa josiflexa 'Royalty')
PATHOGEN: 'Candidatus Phytoplasma fraxini'
PATHOGEN SYNONYM: Phytoplasma Ash yellows group
SOURCE: C. Hibben, W. Sinclair