''Robbsia andropogonis'' is a soil

bacterium Bacteria (; : bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the ...

that can cause leaf, bud, and stem spotting on

carnation ''Dianthus caryophyllus'' ( ), commonly known as carnation or clove pink, is a species of ''Dianthus'' native to the Mediterranean Basin, Mediterranean region. Its exact natural range is uncertain due to extensive cultivation over the last 2,00 ...

, although it is not a disease of great economical significance.Smith, Dunez, Lelliot, Phillips and Archer (Eds.) (1988) European handbook of plant disease. Blackwell Scientific Publishing.

References

Burkholderiaceae Bacterial plant pathogens and diseases Eudicot diseases Bacteria described in 1911 {{betaproteobacteria-stub