Crown%20Gall

Crown%20Gall (Agrobacterium%20tumefeciens) - Crown%20gall%20first%20appears%20as%20small%20round%20overgrowths%20on%20stems%20and%20roots.As%20they%20enlarge%2C%20the%20galls%20become%20woody%20with%20a%20rough%20and%20irregular%20surface.%20Aerial%20galls%20can%20develop%20but%20most%20are%20found%20at%20or%20just%20below%20the%20soil%20line.%20Galls%20range%20from%20pea-size%20to%20larger%20than%201%20foot%20in%20diameter.



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