Two sets of test crosses （ Set 1 and Set 2）, derived from the crosses between sixty inbred lines as its male parents and two sets of male sterile entries as female parents, respectively, were used to analyze the effects of general combining ability （GCA） and special combining ability （SCA） for yield and heading date. Set 1 was planted in two consecutive seasons （dry season, DS; wet season, WS） for the analysis. The A_NOVA analysis results showed that C, CA and SCA for the two traits were significantly different, respectively, meaning th...
