Healthy (A) and diseased (B, O, D, E) California Club wheat plants, 89 days old, grown in the 
reenhouse. The soil in which the diseased plants were grown was sterilized and then inoculated 
vith mycelium of the New York strain of Opniobolus graminis 
A. —Healthy plants grown in sterilized uninoculated soil 
B. —Diseased plants grown in sterilized soil inoculated at the time of sowing 
C—Same as B, except not inoculated until 14 days after sowing 
D.—Same as B, except inoculated 28 days after sowing 
E—Same as B, except inoculated 56 days after sowing 
