DISEASE: Crown gall (Leafy gall)
HOST: Datura
Crown gall or leafy gall of datura.

Crown gall (Leafy gall) | Datura
DISEASE: Crown gall (Leafy gall)
HOST: Datura (Datura sp.)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: M. Schroth
DISEASE: Holcus spot
HOST: Corn (Maize)
Corn leaf with chlorotic spots.

Holcus spot | Corn (Maize)
DISEASE: Holcus spot
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: L. Claflin
DISEASE: Strawberry yellows
HOST: Strawberry
Symptoms of disease are stunting and marginal chlorosis of younger leaves and purple or bronze pigmentation of older leaves. Infected plants usually die.

Strawberry yellows | Strawberry
DISEASE: Strawberry yellows
HOST: Strawberry (Fragaria × ananassa)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: R. S. Greber