Johnson, Jerral D. <br/><br/>
Pecan diseases 

 - College Station :  Texas Agricultural Extension Service,  [1980] 
 - 7 p 
 - B1318 .
 - B1318 .
<br/><br/> D52-173 
<br/><br/><label>LCCN: </label>4092 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pecán--Enfermedades.