SOURCE:

M. Schroth

DISEASE:

Hairy root

HOST:

Rose

(Rosa sp.)

Crown gall (left) and hairy root (right) caused by Agrobacterium tumefaciens and A. rhizogenes, respectively. Healthy root (center).

PATHOGEN:

Agrobacterium rhizogenes

PATHOGEN SYNONYM:

Rhizobium sp.