Ravichandran S. <br/><br/>
Epidemiology and management of purple blotch of onion caused by alternaria porri (ellis.) cif. 

 - M.Sc. (Agri) 
 - Dharwad  University of Agricultural Sciences  2012 
 - 111p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630  / RAV