K.S. Jagadish Cultural practices in the management of stemfly, Ophiomyia phaseoli (TRYON) (dIPTERA: Agromyzidae) In cowpea [Vigna unguiculata - M.Sc (Agri) - Bangalore University of Agricultural Sciences, Bangalore 1993 - 99p ENGLISH Dewey Class. No.: 630 / JAG