Pseudomonas cichorii (bacterial blight of endive )
Pseudomonas cichorii
bacterial blight of endive
Bacterium cichorii, Bacterium endiviae, Bacterium formosanum, Chlorobacter cichorii, Phytomonas cichorii, Phytomonas endiviae, Pseudomonas endiviae, Pseudomonas formosanum, Pseudomonas papaveris, Pseudomonas papaveris
Worldwide
AL. CA, FL, GA. HI, IL, IN, LA, MS, T. MJ, NY, NC, PA, TN, WA
2025-10-06
bacterium
Thailand
Main: celery, endives, chicory, lettuce, adzuki bean; Other: numerous in the Asteraceae and Brassicaceae families.
PSDMCI
Pseudomonas cichorii is a Gram-negative bacterium that causes leaf spot, blight, and rot on many crops such as lettuce and celery. It thrives in cool, moist environments and spreads mainly through splashing water, rain, or contaminated tools and hands. It survives on plant surfaces and debris. Transmission is favored by high humidity and overhead irrigation, leading to rapid spread and characteristic brown, water-soaked leaf lesions.