Smithsonian Report, 1940.- Carter 



Plate 4 



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SYMPTOMS OF TOMATO SPOTTED WILT ON DIFFERENT HOSTS. 



Upper left, yellow spot of pineapple. I'hotograph hv M. B. Linford. 

 Upper right, symptoms on White Burley tobacco. Photograph hv K. Sakimura 

 Lower, tomato fruits with typical ringspot symptoms. Photograph bv K. Sakimura 



