The pseudospin symmetry in the Makarov potential is investigated systematically by solving the Diracequation.The analytical solution for the Makarov potential with pseudospin symmetry is obtained by Nikiforov-Uvarov(N...The pseudospin symmetry in the Makarov potential is investigated systematically by solving the Diracequation.The analytical solution for the Makarov potential with pseudospin symmetry is obtained by Nikiforov-Uvarov(N-U)method.The eigenfunctions and eigenenergies are presented with equal mixture of vector and scalar potentials inopposite signs,for which is exact.展开更多
[Objective] The primary objective of this study was to estimate combining ability and genetic parameters of 17 new inbred lines.[Method] By using 11 commonly used maize inbred lines from Southwest China as testers and...[Objective] The primary objective of this study was to estimate combining ability and genetic parameters of 17 new inbred lines.[Method] By using 11 commonly used maize inbred lines from Southwest China as testers and incomplete diallel cross design,combining ability and heterosis of 17 new inbred lines bred from the land races in Sichuan Basin and its surrounding areas were analyzed.In addition,the genetic parameters and heterotic groups were also investigated based on combining ability.[Result] P1-1,P1-16 and P1-14 with the better comprehensive characters can be directly used in maize breeding program.The SCA of P1-10×P2-4 was high in most traits.It is more possible to obtain high-yield hybrid combinations by the pattern Sipingtou × Lancaster.GCA variance was bigger than SCA variance in four traits such as rows per ear,grains per row,which were affected by the environments slightly and should be selected at early generations;while SCA variance was bigger than GCA variance in five traits such as 100-grain weight and plant weight,which were significantly influenced by environment and thus should be selected in later generations.[Conclusion] The paper will provide theoretical basis for further improvement of local maize varieties.展开更多
基金Supported by National Natural Science Foundation of China under Grant Nos.1047500 and 10675001Program for New Century Excellent Talents in University of China under Grant No.NCET-05-0558Program for Excellent Talents in Anhui Province University Education Committee Foundation of Anhui Province under Grant No.2006KJ259B
文摘The pseudospin symmetry in the Makarov potential is investigated systematically by solving the Diracequation.The analytical solution for the Makarov potential with pseudospin symmetry is obtained by Nikiforov-Uvarov(N-U)method.The eigenfunctions and eigenenergies are presented with equal mixture of vector and scalar potentials inopposite signs,for which is exact.
基金Supported by National Key Technology Research and DevelopmentProgram(2004BA525B04)Program for Changjiang Scholars and Innovative Research Team in University of Ministry of Education ofChina(IRT0453)Program for Maize breeding Key Technology ofSichuan Province during 11th Five-Year Plan Period
文摘[Objective] The primary objective of this study was to estimate combining ability and genetic parameters of 17 new inbred lines.[Method] By using 11 commonly used maize inbred lines from Southwest China as testers and incomplete diallel cross design,combining ability and heterosis of 17 new inbred lines bred from the land races in Sichuan Basin and its surrounding areas were analyzed.In addition,the genetic parameters and heterotic groups were also investigated based on combining ability.[Result] P1-1,P1-16 and P1-14 with the better comprehensive characters can be directly used in maize breeding program.The SCA of P1-10×P2-4 was high in most traits.It is more possible to obtain high-yield hybrid combinations by the pattern Sipingtou × Lancaster.GCA variance was bigger than SCA variance in four traits such as rows per ear,grains per row,which were affected by the environments slightly and should be selected at early generations;while SCA variance was bigger than GCA variance in five traits such as 100-grain weight and plant weight,which were significantly influenced by environment and thus should be selected in later generations.[Conclusion] The paper will provide theoretical basis for further improvement of local maize varieties.
