
A COMPLETE CORN BREEDING PROGRAM 
...the key to more productive hybrids. .. 
Pioneer breeding program is never ending — continuing year in and year 
out — constantly striving to develop new hybrids superior to those now 
being produced. 
A sound breeding program is the foundation of Pioneer quality . . . complete 
in every detail . . . from the production and selection of the inbreds . . . to 
the final testing of the hybrids. 

AINS 


NEER INBRED STR SCIENTIFIC RESEARCH 
UNIFORMITY OF FIO 

FIELD OF PARENT CORN 




REMOVING TASSEL... TESTING THE YIELD OF © 
INBRED PLOT EXPERIMENTAL HYBRID 


THE MAIN CORN BREEDING DEPARTMENTS 
. Developing new inbreds 
Testing inbreds for diseases and insect resistance 
. Testing inbreds for yield, lodging resistance, etc. 
Testing experimental and commercial hybrids 
Production of parent corn from those inbreds proven to be 
consistently outstanding in performance 
on ®& CO DO = 

