TY - BOOK AU - ANIL KUMAR S G AU - Dr. S G SREEKUMAR TI - COMBINING ABILITY FOR YIELD AND DROUGHT TOLERANCE IN COWPEA [Vigna unguiculata (L.) Walp.] U1 - I:6 N93 AN 35 PY - 1993/// CY - COLLEGE OF AGRICULTURE VELLAYANI PB - DEPARTMENT OF PLANT BREEDING ER -