· bacterial canker spreads quickly to infect both transplanted and directly seeded crops, especially through pruning practices when shears are not properly disinfected. Bacterial canker is caused by clavibacter michiganensis subsp. This bacterial disease is suspected to be seedborne, and can survive in solanaceous weeds and decaying plant tissue. An epidemic can begin with a single infected seed, so disease prevention should always remain a top priority for all growers. There are no reported cases of the bacteria behind bacterial canker (clavibacter michiganensis sbsp. · tomato bacterial canker is a serious disease caused by the bacterium clavibacter michiganensis subsp. Cmm enters the tomato through natural openings, wounds (roots, stem, or fruits), or from infected seeds. Is it safe to eat tomatoes with bacterial canker ? Bacterial canker in greenhouse has resulted in stunting and necrosis. Michiganensis, also called cmm or cmm) making humans ill, according to the university of minnesota extension’s michelle grabowski. · tomato bacterial canker affects tomato plants by inducing wilting, defoliation, desiccation, skin cankers, and reduced fruit yield and quality, ultimately leading to plant death. Bacterial canker is primarily important on tomato. It’s a systemic disease, meaning once it gets into the plant, it can spread throughout its vascular system, much like our own circulatory system. Bird’s eye spot infection on tomato fruit as a result of infection with bacterial canker. This symptom may not necessarily occur. This is a very common symptom. Michiganensis (often shortened to cmm). · necrosis and chlorosis on leaf margin, also known and ‘firing,’ due to bacterial canker.
