DISEASE: Grain rot
HOST: Rice
Close-up of diseased grain. Infected portions of lemma and palea are purplish to dark brown.
![](/sites/default/files/plant_disease/images/0814.jpg)
Grain rot | Rice
DISEASE: Grain rot
HOST: Rice (Oryza sativa)
PATHOGEN: Burkholderia glumae
PATHOGEN SYNONYM: Pseudomonas glumae
SOURCE: A. Alvarez, D. Shakya
DISEASE: Grain rot
HOST: Rice
Discolored and withered hulls of infected panicles. A brown margin between the infected and healthy parts of the grain is a diagnostic feature.
![](/sites/default/files/plant_disease/images/0815.jpg)
Grain rot | Rice
DISEASE: Grain rot
HOST: Rice (Oryza sativa)
PATHOGEN: Burkholderia glumae
PATHOGEN SYNONYM: Pseudomonas glumae
SOURCE: M. Goto
DISEASE: Periwinkle yellows
HOST: Periwinkle
Leaves with characteristic yellow and chlorotic appearance. Yellowing is first associated with veins.
![](/sites/default/files/plant_disease/images/0713.jpg)
Periwinkle yellows | Periwinkle
DISEASE: Periwinkle yellows
HOST: Periwinkle (Vinca sp.)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: R. McCoy, M. Davis