Combining ability estimates were obtained from a line x tester analysis of crosses Involving sex diverse male sterile line (female) with ten elite (male) genotypes [Non-additive type of gene action was found predominant for all the characters, except 600 grain weight where additive type of gene action was noticed. Among female parents M.S. 5141 A and M.S. 5054 A were top general combiners for grain yield and most of the other charactors, H 271, H 686, H 54-3 and H 130-3 were the top ranking general combiners for grain yield and many of the other desirable attributes, The top cross combinations for grain yield wore M.S. 2302A X H 54-3. JakhranaXH 54-3 and M.S. 111AX H 686, In general there was no correspondence between mean performance and 5.C A. effects of the crosses in the present material.
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