PLATE 15 
Puccinia graminis triiid 
A. —Inoculations made on plants of susceptible second-generation hybrid of the 
cross emmer (Minnesota 1165) X Marquis, 
B. —Seedlings of the susceptible parent, Marquis, inoculated with rust from the 
susceptible second-generation hybrid 15(8X1)1. 
C. —Seedlings of the susceptible parent, Marquis, inoculated with rust from the 
stock cultures. 
D. —Seedlings of extremely resistant parent, emmer (Minnesota 1165), inoculated 
with rust from the stock cultures. 
E. —Seedlings of extremely resistant parent, emmer (Minnesota 1165), inoculated 
with rust from the susceptible second-generation hybrid 15(8X1)1. 
