TY - BOOK AU - El-Itriby,Hanaiya Abbas TI - A comparison between testers in combinig abiliy eslimates involving homozygous and heterozyous maize stocks CY - 1979 KW - Corn KW - Genetics KW - Varieties N1 - Thesis (Ph.D.)--Cairo University,1979; Includes bibliographical references (leaves 116-130); Microfiche; Cairo, Egypt; ASUNET; 3 microfiches:negative ER -