PLATE 17 
Puccinia graminis tritici 
A. —Seedlings of susceptible parent, Haynes Bluestem (Minnesota 169), inoculated 
with rust from stock cultures. 
B. —Seedlings of susceptible parent, Haynes Bluestem (Minnesota 169), inoculated 
with rust from the partially resistant F 9 hybrid (4X3)8AA shown in C. 
C. —Seedlings of partially resistant F 9 hybrid (4X3)8 AA inoculated with rust from 
stock cultures. 
D. —Seedlings of partially resistant parent, Kubanka (Cl 2094), inoculated with 
rust from stock cultures. 
E. —Seedlings of partially resistant parent, Kubanka (Cl 2094), inoculated with 
rust from partially resistant F 9 hybrid (4X3)8AA shown in C. 
