Carotovorum is a plant disease which is also known as pectobacterium carotovorum and caused by a bacteria which has rod-shaped cells and affects various vegetables. It breaks the plant cells and give the plants a soft rot. It mostly occurs in wet lands and in wet climate. It can show varied symptoms like blackening in some vegetables and slimness in others. It can spread through air, water, touch, hand of workers etc. The bacteria will not be able to infect healthy plants which don’t have any wounds or cuts. This bacteria is favoured by high humid temperature of around 30°C.