TY - BOOK AU - Mohamed,Saad Abbas Shehata TI - Studies on the genetic basis for heterosis in corn (Zea mays L.) PY - 1984/// KW - Corn KW - Genetics KW - Breeding KW - Hybrids N1 - Thesis (Ph.D.)--AL-Azhar University, 1984; Includes bibliographical references (leaves 135-151); Microfiche; Cairo, Egypt; ASUNET; 3 microfiches : negative ER -