, in Beakers. Sown July 10, a; 



Condition on August 8. 



er 

 ed 

 eaf. 



Number 

 infected 

 on 2nd leaf. 



Number 

 infected 

 on 3rd leaf. 















5 



1 



t 1 

 ed 



4 and 2 

 flecked 









1 



? Elecked 





1 









3 



1 and 

 ? flecked 





4 



1 





4 









3 









3 necked 



















4 



1 





6 



2 



d 1 



ed 



4 

 5 





 2 



