A disease of plants caused by infection of soil bacteria of the genus Agrobacterium
A bacterial disease of plants (especially pome and stone fruits and grapes and roses) which forms excrescences on the stem near the ground
A widespread disease of numerous plants caused by the bacterium Agrobacterium tumefaciens and characterized by formation of galls especially at the junction of root and stem. Disease of plants caused by the bacterium Agrobacterium tumefaciens. Thousands of plant species are susceptible, including especially rose, grape, pome and stone fruits (e.g., apples, peaches), shade and nut trees, many shrubs and vines, and perennial garden plants. Symptoms include roundish, rough-surfaced galls, several inches or more in diameter. At first cream-coloured or greenish, they later turn brown or black. As the disease progresses, affected plants lose vigour and may eventually die