Crazy roots, hairy roots, crown gall
have been isolated from crazy roots. This disease seems to be caused by a change in the hormonal system of the plant resulting from the Rhizobium infection [...] infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes a genetic change in the plant. How to prevent Crazy roots, hairy roots, crown [...] material Use a strict hygiene protocol, including disinfection of tools, drippers, gutters etc. Adjust the work order in greenhouses to fit with the hygiene