A.D. Ravindra A study of field infestation of cowpea [Vigna unguiculata (L.) Walp] By the pulse beetle, Callosobruchus chinensis (L.) (Coleopt - M.Sc (Agri) - Bangaloe Universityof Agricultural Scienes Bangalore 1998 - 111p ENGLISH Dewey Class. No.: 630 / RAV