Crazy roots, hairy roots, crown gall
Furthermore, infection is characterized by excessive root growth (crazy roots). In greenhouse vegetables, the roots overgrow the substrate and in severe epidemics [...] source of infection by Rhizobium rhizogenes has not yet been defined. The assumption is that the bacteria survive in the soil, but it is possible that first [...] dispersed by rain and wind and by humans and tools. Until now, no bacteria have been isolated from crazy roots. This disease seems to be caused by a change