Bacterial canker of tomato
infection is found, strict measures are taken to eradicate the infection. In tomato, growers must either destroy the infected crop entirely or, if the crop [...] upwards. Cutting the stem at the foot shows whitish ooze with bacteria in the case of C lavibacter infection, but other than that the disease is difficult [...] discolouration of the vessel tissue appears, especially when cutting the tubers. This discolouration is round, hence the name ring rot. Life cycle and appearance