Let These DE KALB Breeders 
Help You Produce More and Better Corn 
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Charley Gunn, right, hybrid corn breeder for Northern Corn Belt, tells Prof. St. John 
that he wouldn’t trade these three kernels for diamonds of equal size. They 
represented all he had left from 9 years work on one strain, after the heat of 1934 killed 
the pollen from the rest of the strain. Since then, these three kernels have been 
multiplied until they furnish part of the foundation for some of the highest-yielding 
De Kalb QUALITY Hybrids. 
You can't prevent drouth, wind storms, infestation of root and ear worms, chinch bugs 
nor grasshoppers, BUT YOU CAN PLANT A DE KALB QUALITY HYBRID WHICH 
HAS A VIGOROUS, STIFF-STALKED PLANT, WITH A GOOD ROOT SYSTEM, 
THAT WILL DO MUCH TO OVERCOME THESE HAZARDS. 
The widespread location of De Kalb's numerous projects protects you against seed 
crop failures that follow local calamities. Our extensive program assures an ample 
supply of highest-yielding, best-quality, hardiest-variety hybrids, year after year. 
On the following pages we show you how De Kalb Quality Hybrid development and 
production operations meet every planting need throughout the entire corn 
belt. Use this information as your guide to production of more and better com. 
