Norton, Don C <br/><br/>
Root knot  / 
by Don C. Norton 
 - Kingsville, Texas  :   Agricultural Extension Service 
 - 8 p. 
<br/><br/><label>LCCN: </label>203052 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Raíces -- Enfermedades