TY - THES AV - public A1 - Omanga, P G A TI - Studies on the magnitude and nature of hybrid vigour utilizing male sterile and fertile lines in pigeonpea (Cajanus Cajan(L.)mill sp) UR - http://oar.icrisat.org/2603/ Y1 - 1983/// ID - icrisat2603 M1 - masters PB - Andhra Pradesh Agricultural University ER -