Analysis on Utilization Potential of 20 Early-maturing Maize Inbred Lines from European and American
This study used 20 early-maturing inbred lines from European and American,including 9 SS-group inbred lines as female parents and 11 NSS-group inbred lines as male parents.The incomplete diallel cross design was used to evaluate the combining ability.The results showed that DNF342,DNLM18,Dong407,Dong409 and Dong401 had good yield general combining ability(GCA),while Dong304 and Dong503 had good plant height and ear height GCA,which were beneficial to reduce plant height and ear height of hybrid combinations.The hybrid combinations Dong407×Dong601,Dong409×DNF342,Dong502×DN4206,Dong409×Dong305,Dong407 × DN4206 and Dong401×Dong601 had strong yield comparative advantages,which could be used for new variety experiments.
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