208 



BACTERIAL DISEASES OF PLANTS 



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Pj(,_ 148.— a. 5. Tomato stem inoculated with Aplanohader michiganense, 

 showing bacterial cavities to either side of the wood, i.e., cavities originating in 

 the phloem; xylem not much disturbed. A later stage than Fig. 143. The two 

 views are on opposite sides of the same stem and at the same level. 



