DISEASE: Bacterial leaf spot
HOST: Mustard
Leaf with yellowish brown lesions with some chlorosis.
![](/sites/default/files/plant_disease/images/0551.jpg)
Bacterial leaf spot | Mustard
DISEASE: Bacterial leaf spot
HOST: Mustard (Brassica juncea)
PATHOGEN: Xanthomonas campestris pv. raphani
SOURCE: M. Goto
DISEASE: Brittle root
HOST: Horseradish
Dying, stunted, yellow to brown horseradish plants.
![](/sites/default/files/plant_disease/images/0472.jpg)
Brittle root | Horseradish
DISEASE: Brittle root
HOST: Horseradish (Armoracia rusticana)
PATHOGEN: Spiroplasma citri
SOURCE: C. Eastman, M. Davis
DISEASE: Brittle root
HOST: Horseradish
Close-up of stunted, yellow horseradish plants.
![](/sites/default/files/plant_disease/images/0473.jpg)
Brittle root | Horseradish
DISEASE: Brittle root
HOST: Horseradish (Armoracia rusticana)
PATHOGEN: Spiroplasma citri
SOURCE: D. Sherrod