352 



BACTEKIAL DISEASES OF PLANTS 



FIG. 271. South African mulberry blight due to Bacterium mori: section 

 through a water-soaked spot on a leaf of the common mulberry which was fixed 

 5 days after inoculation, showing lower epidermis lifted, a large bacterial cavity 

 and penetration of the intercellular spaces of the mesophyll. After Ethel M. 

 Doidge. 



