Bacterial Canker

What Is It? | Facts in Depth | For the Professional Diagnostician

M. L. Lewis & S. A. Miller

Bacterial canker, caused by Clavibacter michiganensis subsp. michiganensis is a sporadic but serious tomato disease in the Midwest. Bacterial canker is a vascular disease and extremely difficult to manage once a plant is infected with the pathogen. Early recognition of the disease is essential to preventing disease spread. Symptoms include marginal leaf lesions with chlorosis, wilting and bird’s eye fruit spots.

Available Fact Sheets (pdfs)

English: Bacterial Canker Fact Sheet
Español: Cancro Bacteriano Del Tomate

Scientific Name

Clavibacter mischiganensis subsp. michiganensis

Host Crops

CankerRhiemsFruit1 copy 50 QUALITY Canker Stem GH Tomato 2011 copy 50 QUALITY Bacterial canker - tomato fruit copy 50 QUALITY CankerRhiemsFiring1 copy 50 QUALITY CankerStemPeduncleCalyyx copy 50 QUALITY CANKER IMG_1127 50 QUALITY
Pictures of Bacterial Canker on Tomato.