N. Nanjundaiah <br/><br/>
Development  of powdery mildew (Erysiphe polygoni Dc) On cowpea [Vigna unguiculata(L.) Walp.] 

 - M.Sc (Agri) 
 - Bangalore  University of Agricultural Sciences, Bangalore  1989 
 - 67p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630  / NAN