Nelson, R. R. <br/><br/>
Breeding plants for disease resistance ; concepts and applications 

 - University Park, Penn. :  Pennsylvania State University,  1973 
 - 401 p. 
<br/><br/><label>LCCN: </label>31793 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plantas--Mejoramiento.<br/>Plantas--Resistencia a enfermedades.<br/>Plantas--Resistencia a plagas.
<br/><br/><label>Dewey Class. No.: </label>631.522  / N4