TY - GEN AU - Moshera Sadek Elshahat Sadek AU - Ebtissam Hussein Ali Hussein , AU - Hanaiya Abbas Elitriby , TI - Molecular genetic studies on maize / PY - 2006/// CY - Cairo : PB - Moshera Sadek Elshahat Sadek , KW - Combining ability KW - Correlation coefficients KW - Diallel cross KW - Heterosis KW - Maize (Zea mays) KW - Molecular markers N1 - Thesis (PH.D.) - Cairo University - Faculty Of Agriculture - Department Of Genetics; Issued also as CD N2 - A half diallel cross was made using six inbred lines ie , Gm 2 , Gm 7 , Gm 18 , Gm 30 , Sd 7 and Sd 63 All F1's and their parents were evaluated for yield and its components in replicated field trials at four locations ; Gemmeiza , Sakha , Sids and Mallawy in the two respective seasons , 2003 and 2004 Diallel analysis Griffing's Model I Method II were used to estimate general (GCA) and specific (SCA) combining ability Mid - parent and high - parent heterosis were calculated The results showed that the interaction between genotypes x locations , general and specific combining ability were highly significant for all studied traits The SCA played the most important role in the inheritance of most studied trait Each of the parental inbred lines Gm 30 and Sd 7 revealed the better combining ability with the other parents UR - http://172.23.153.220/th.pdf ER -