Crown Gall

(Agrobacterium tumefaciens)
Damage: Hard, tumour-like growths are present on the roots, crown, or stems. Individual branches or entire plant may be killed.
Disease cycle: Crown gall is caused by a bacterium that enters the plant through wounds. The disease can be spread by infected pruning shears, farm equipment or plant wounds.

Crown Gall On Blueberry RootsSiva Sabaratnam, BCAGRI

Crown GallSiva Sabaratnam, BCAGRI