DISEASE: Plum leaf scald
HOST: Plum
Leaf with large necrotic area.
Plum leaf scald | Plum
DISEASE: Plum leaf scald
HOST: Plum (Prunus domestica)
PATHOGEN: Xylella fastidiosa
SOURCE: B. Raju, M. Davis
DISEASE: Syringae seedling blight and leaf spot
HOST: Pepper
Blight lesions (on transplants) usually begin as water-soaked spots that later turn brown to black. Lesions are on cotyledons and first true leaves.
Syringae seedling blight and leaf spot | Pepper
DISEASE: Syringae seedling blight and leaf spot
HOST: Pepper (Capsicum annuum)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: APS
DISEASE: Yellow wilt
HOST: Beet
Symptoms of this disease are yellow leaves, wilting, and then collapse. There may be dwarfing of new leaves, yellowing of sectors, and chlorosis of veins.
Yellow wilt | Beet
DISEASE: Yellow wilt
HOST: Beet (Beta vulgaris)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: F. Hills
DISEASE: Yellow wilt
HOST: Beet
Yellowing and dwarfing of sugar beet (left), an early stage of disease.
Yellow wilt | Beet
DISEASE: Yellow wilt
HOST: Beet (Beta vulgaris)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: J. McFarlane