Crown Gall symptoms on Rose
Crown Gall (bacterium - Agrobacterium tumefaciens): Woody galls
form on lower stems and root tissue. If the gall encircles the
lower stem or main roots, the plant may be killed. Do not plant
nursery stock showing symptoms. Resetting galled plants in raised
beds may prolong their life. Sterilizing the soil prior to
planting is helpful only if the organism is not introduced on the
transplant.
January, 1995
