安徽农业科学2017,Vol.45Issue(20):34-36,39,4.
18个玉米自交系配合力及杂种优势群分析
Analysis of Combining Ability and Heterotic Groups Among 18 Maize Inbred Lines
秦家友 1严康 1刘霞 2任纬 1邹刚 1陈翠莲1
作者信息
- 1. 四川省内江市农业科学院,四川内江 641000
- 2. 四川省内江市种猪场,四川内江 641000
- 折叠
摘要
Abstract
[Objective]Combining ability of maize inbred lines and their combinations were studied to determine the application and improvement direction.[Method]Combining ability and heterotic groups of 18 maize inbred lines were analyzed based on the data of NCⅡdesign,in which 12 new lines were crossed with parental inbred lines of 3 high heterosis combinations,72 hybridized combinations were established.[Result]Inbred lines N045, N1150, Neizi 268 and N303 had higher GCA for yield per plant, they were more likely to produce high yield combinations.Inbred lines N98, 779-1, N1150, Z544, Neizi N36, Neizi 268 and Ji 533 had great potential for decreasing plant and ear height.Inbred lines N303, 1F1-1, 779-1, 779-3 and N33 were classified into the heterotic group A as Neizi N36, 4011 and F15, while N98, C38012, G-3, N1150, N045, SU17 and Z544 were clustered into the heterotic group B with Neizi 268, Ji 533 and F06.[Conclusion]The research could give reference for improvement and application of inbred line.关键词
玉米/自交系/配合力/杂种优势群Key words
Maize/Inbred lines/Combining ability/Heterotic group分类
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秦家友,严康,刘霞,任纬,邹刚,陈翠莲..18个玉米自交系配合力及杂种优势群分析[J].安徽农业科学,2017,45(20):34-36,39,4.