DISEASES AND PESTS OF THE MAIZE CROP 413 



United States this disease is considered to have 

 economic importance" {Hunt, 1). 



366. Ear-rots of Maize. — In 1910 at Vereeniging and at 

 Potchefstroom, and in 19 12 at Ladysmith, Natal, the writer 

 found maize ears affected with a fungus reminding him of 

 Diplodia Zeoz (Schw.) Lev. 1 (Fig. 159) as it occurs in the 



little CHAP, 

 x. 



A B 



Fig. 159.— Dry-rot of maize, Diplodia Zca (Schw.) Lev. A, Ear showing white 

 hypha? ; B, Grains showing small black fruiting bodies of the fungus. 



United States. Subsequently these were so identified by the 

 Acting Plant Pathologist in Pretoria. In the State of Illinois 

 the annual loss from ear-rots is said to be from 2 to 4-5 per 

 cent of the entire crop, representing a money loss of from 



1 Also known as Diplodia Maydis (Berk.) 



Berk.) Sacc. 



