Bul. 1347, U. S. Dept. of Agriculture PLATE [1 
A Hoen& Co Baliimore 
TAKE-ALL OF GOLDCOIN WHEAT—I 
The seedling at the left is healthy, and the five others at the right show various degrees of severity of 
seedling blight following artificial inoculation with a single-spore strain of Ophiobolus graminis iso- 
All the roots on the diseased 
lated from a wheat plant affected with take-all near Corvallis, Oreg. 
plants were badly rotted. Note the reddish brown tv black lesions and rotting at the base of the stems 
