* 



a 



A 





g 





^ '-> ^ j / 



& 



^yj-'' 





cl. 



Fig. 69. Celery Diseases. 



a. Septoria leaf spot on leaf, 6. Septoria leaf spot on leaflet, c. Septoria lesions on 

 celery seed, d. Septoria spots showing pycnidial bodies, e. cross section showing 

 pyncidium and pycnospores of Septoria petroselini (a, c, and e after Coons and 

 Levin). 



