DISEASE: Angular leaf spot
HOST: Strawberry
Advanced stage of disease with dry, brownish necrotic lesions on upper leaf surface.
Angular leaf spot | Strawberry
DISEASE: Angular leaf spot
HOST: Strawberry (Fragaria chiloensis)
PATHOGEN: Xanthomonas fragariae
SOURCE: A. Alvarez
DISEASE: Fire blight
HOST: Hawthorn
Hawthorn with blossom blight.
Fire blight | Hawthorn
DISEASE: Fire blight
HOST: Hawthorn (Crataegus laevigata)
PATHOGEN: Erwinia amylovora
SOURCE: M. Shurtleff
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