TY - BOOK AU - Singh, Amrendra Kumar. TI - Heterosis Manifestation in Inter Varietal Crosses During the Ontogeny of Maize (Zea mays L.) Grains U1 - 631.53 PY - 1988/// CY - .- Sabour, Bhagalpur PB - : Bihar Agricultural College KW - Plant Breeding KW - Heterosis KW - Maize KW - Thesis KW - M. Sc ER -