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《Journal of Nanjing Agricultural University》 2001-01
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Studies on the combining ability of grain filling traits of wheat

Yao Weichuan,Zhang Congyu and Wang Min (Anhui Technical Teachers College,Fengyang 233100,China)  
The combining ability of grain filling duration(GFD)and grain filling rate(GFR)in wheat were investigated by using 6×6 diallel crosses.The results showed that the general combining ability(GCA)and specific combining ability(SCA)variations were significant,and the inheritance of grain filling traits were controlled by additive and nonadditive effects.As the hybrid generation advanced,the ratio of additive variation to total genetic variation increasingly added.The interactions between generation and GCA and SCA were significant at 0 01 level.The GCA and SCA of F 1 did not relate to that of F 2 and F 3,and the GCA was relatively consistant between F 2 and F 3.Those results suggested that the parental combining abilities and parent combinations in F 2 and following generations should be investigated in pedigree breeding of grain filling characters.
【CateGory Index】: S51210351
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