TY - GEN AU - Randhawa,D.S. TI - Hybrid vigour in onion (Allium cepa L.) KW - Alliumcepa KW - Heterosis KW - Flowering KW - Varieties KW - Tillering KW - Pollen KW - Transplanting N1 - Tillering; Pollen; Transplanting; IARI, Div ER -