Septoria disease (celery and oats) (Diapositiva) 

 - Ithaca :  Cornell University,  (s.a.) 
 - 9 diapositivas : col. 2 x 2 plg. 
 - Plant disease profiles ser. 1  ; 2 .
 - Plant disease profiles ser. 1  ; 2 .
<br/><br/> Nota explicativa 5 p.  Tambien en CD 4 3/4 plgs. 
<br/><br/><label>LCCN: </label>19377 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Apio--Enfermedades.<br/>Avena--Enfermedades.<br/>Septoria.