Agrobacterium tumefaciens


The Agrobacterium tumefaciens bacterium causes irregular woody masses known as crown galls to form on the roots, trunks or branches of various species of tree including the Horse-chestnut.


Wherever suitable host trees are found.

When to see it

All year round.

UK Status

Status in Britain not known.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map

UK Map