Sifuentes Aguilar, Juan Antonio. <br/><br/>
Reaction of field corn parents and hybrids to attack by the corn earworm Heliothis zea (Boddie) 

 - Manhattan, Kansas :  The author,  1964 
 - 72 h.  : ilus. 
<br/><br/> Thesis (Doctor of Philosophy) -- Kansas State University. Dept. of Entomology 
<br/><br/><label>LCCN: </label>54498 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heliothis (Helicoverpa) zea.