18份玉米自交系产量性状配合力及杂种优势分析  

Yield Components Combining Ability and Heterosisanalysis of 18 Maize Inbred Lines

作　　者：张道园[1] 王振华[2] 张云生[1] 高明波[1] 杨猛[1] 袁海洋[1] 

机构地区：[1]哈尔滨市农业科学院,黑龙江哈尔滨150029 [2]东北农业大学,黑龙江哈尔滨150030

出　　处：《黑龙江农业科学》2012年第12期4-10,共7页Heilongjiang Agricultural Sciences

摘　　要：以18份自选玉米自交系为父本,5个分属于不同杂优类群的代表系为母本,采用NCII设计方法,按不完全双列杂交设计组配90个杂交组合,分析了百粒重、穗长、穗粗、轴粗、粒长、粒宽、粒厚和产量8个性状的一般配合力GCA、特殊配合力SCA及杂种优势。结果表明:R153、R165、R154、R113和R167这5个自交系综合性状较优,是组配强优势杂交组合的优良自交系;R120和R122等表现最差,其它自交系的个别性状表现也较突出,在育种工作中应注意有目的的选择利用。18 maize inbred lines and 5 groups attribute to different heterosis groups were chosen as male par- ents. The experiments using NCII design to make 90 hybrid combinations, and analyze GCA,SCA and heterosis of hundred grain weight, spike length, ear diameter, axes diameter, grain length, grain width, grain thickness and yield. The results were as followed：inbred lines of R153 ,R165 ,R154,R113 and R167 had excellent characters, those inbred line with strong heterosis could be used to make hybrid combinations. R120 and R122 had worst performance, while some traits of the other inbred lines were also prominent, they could be purposefully chosen to use in breeding.

关 键 词：玉米 自交系 杂种优势 GCA SCA 

分 类 号：S513[农业科学—作物学]