Common scab of potato (Diapositiva) 

 - Ithaca :  Cornell University,  (s.a.) 
 - 7 diapositivas col. 2 x 2 plg. 
 - Plant disease profiles. Ser. 2  ; 30 .
 - Plant disease profiles ser. 2  ; 30 .
<br/><br/> Nota explicativa 2 h.  Tambien en CD 4 3/4 plgs. 
<br/><br/><label>LCCN: </label>19352 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Papas--Enfermedades<br/>Streptomyces.