General vs. specific combining ability in single crosses of corn
1942
Sprague, G.F. | Tatum, L.A.
A method is presented for evaluating the relative importance of genes contributing to general and specific combining ability in the yield of single crosses of corn. In single crosses involving previously tested lines, genes conditioning specific combining ability have the most effect in determining yield differences. In previously untested material, genes affecting general recombining ability are of most importance. The bearing of these findings on testing technics is discussed.
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