YAN Hao,LIU Bao-quan,WANG Bo.Inheritance of Plant Height and Its Correlation with Internode Length in Dwarf Soybean[J].Soybean Science,2009,28(04):595-599.[doi:10.11861/j.issn.1000-9841.2009.04.0595]
矮秆大豆株高遗传及主茎节间长度相关分析
- Title:
- Inheritance of Plant Height and Its Correlation with Internode Length in Dwarf Soybean
- 文章编号:
- 1000-9841(2009)04-0595-05
- Keywords:
- Soybean; Dwarf; Plant height; Plant type; Genetic characteristics
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 通过吉密豆1号与吉林35、长农13分别杂交,利用双亲及杂交后代F1、F2和F3的株高数据研究了吉密豆1号的矮生遗传特性。结果表明:F2代株高的频率分布图可明显观察出3个峰值,且根据χ2测验,F2代株高分离表现符合1(矮秆)∶2(半矮秆)∶1(高秆)的分离比率;F3代则有一部分株行表现出单基因控制的正态分布现象,部分株行表现出同F2代相似的1∶2∶1分离比率。说明控制吉密豆1号株高性状的为一对主效非完全显性基因和多个辅助数量基因,两者协同作用。另外根据株高指数概念,对两个组合F3代主茎节间长度数据进行分析,探讨矮秆大豆合理株型的相关因子,认为进一步提高IL值,可使其株型更加合理。
- Abstract:
- The dwarfism genetic characteristics of Jimidou 1 was studied with the plant height data of the parents and the F1,F2?and F3?hybrids between the cross combination of Jimindou 1×Jilin 35 and Jimindou 1×Changnong 13.Results showed that the frequency of plant height in F2?hybrids have 3 obvious peak values,and the separation ratio accorded with 1(dwarf):2( semi-dwarf ) ∶1 ( high stalk ) on the basis of Chi square tests.Plant height in some plant-to-row of F3?hybrids showed monogenic controlled normal distribution phenomenon,while others showed similar trend with F2?hybrids,which suggested that the dwarfism of Jimidou 1 was controlled cooperatively by a main-effect non-completely dominant gene and several helper quantitative trait genes.In addition,the correlation factor of reasonable plant typed dwarf soybean was analyzed according to the concept of plant height index and the internode length data of F3 hybrids,which indicated that the higher IL?value could lead to more reasonable plant type.
参考文献/References:
[1]曹永强,谢甫绨,张惠君,等.大豆不同亲本正交和反交后代株高遗传规律的比较研究[J].辽宁农业科学,2006(4):13-15.(Cao Y C,Xie F T,Zhang H J,et al.Study on heredity of plant height between crosses and reciprocal crosses in different soybean parents[J].Liaoning Agricultural Sciences,2006(4):13-15.)
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备注/Memo
基金项目:科技部科技支撑资助项目(2006BAD521B01-2-6)。