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Bacterial galls

General Recommendations: Galls caused by bacteria is a very small but important group of bacterial plant pathogens. Most common is crown gall (Agrobactrium tumefaciens) that affects over 40 families of plants. (See separate entry on Crown Galls of Forsythia and Euonymus.) Cane gall of brambles and hairy root of apple are also caused by bacteria. Control is the same as for crown gall.
Images: Click on image to enlarge or on underlined captions for more information.

Crown gall on euonymus (Euonymus)
High resolution image available.

Bblight and gall-like growths on rosemary (Rosmarinus officinalus) possibly caused by Pseudomonas syringae
High resolution image available.

Numerous gall-like growths on rosemary (Rosmarinus officinalus) possibly caused by Pseudomonas syringae
High resolution image available.
 

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