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BMR基因型高粱不育系主要农艺性状的配合力效应

李源, 游永亮, 赵海明, 武瑞鑫, 刘贵波

李源, 游永亮, 赵海明, 武瑞鑫, 刘贵波. BMR基因型高粱不育系主要农艺性状的配合力效应[J]. 草业科学, 2018, 12(5): 1116-1127. DOI: 10.11829/j.issn.1001-0629.2017-0642
引用本文: 李源, 游永亮, 赵海明, 武瑞鑫, 刘贵波. BMR基因型高粱不育系主要农艺性状的配合力效应[J]. 草业科学, 2018, 12(5): 1116-1127. DOI: 10.11829/j.issn.1001-0629.2017-0642
Yuan Li, Yong-liang You, Hai-ming Zhao, Rui-xin Wu, Gui-bo Liu. Analysis of the combining ability of the main agronomic traits in brown midrib genotype sorghum sterile lines[J]. Pratacultural Science, 2018, 12(5): 1116-1127. DOI: 10.11829/j.issn.1001-0629.2017-0642
Citation: Yuan Li, Yong-liang You, Hai-ming Zhao, Rui-xin Wu, Gui-bo Liu. Analysis of the combining ability of the main agronomic traits in brown midrib genotype sorghum sterile lines[J]. Pratacultural Science, 2018, 12(5): 1116-1127. DOI: 10.11829/j.issn.1001-0629.2017-0642

BMR基因型高粱不育系主要农艺性状的配合力效应

基金项目: 

现代农业产业技术体系建设专项资金(CARS-34)

农业部&#x0201c

948&#x0201d

国际合作项目(2015-Z29)

河北省委组织部第二批青年拔尖人才支持计划

河北省农林科学院博士科研经费(F17E10002)

摘要: 采用NCⅡ不完全双列杂交试验设计,以19份BMR基因型高粱(Sorghum bicolor)不育系为母本,以3份BMR基因型苏丹草(Sorghum sudanense)为父本,从7个主要农艺性状上分析了57个F1杂交组合的配合力和遗传力。结果表明,株高、主茎叶片数、中部叶片长度、中部叶片宽度4个农艺性状具有正向中亲优势;株高、中部叶片长度2个性状具有正向超亲优势;主茎叶片数、叶片中部长度、叶片中部宽度3个性状具有正向竞争优势;而单株分蘖数、主茎直径、主茎穗长均表现为负向优势。各组合的主要农艺性状区组间差异均不显著(P>0.05),组合间呈极显著差异(P<0.01)。主茎直径、主茎穗长的遗传受基因的加性和非加性效应共同作用,株高、单株分蘖数、主茎叶片数、中部叶片长度、中部叶片宽度的遗传受基因的非加性影响较大;主茎穗长宜在早代选择,而株高、单株分蘖数、主茎叶片数、主茎直径、中部叶片长度5个指标宜在高代选择。综合得出,BMR基因型高粱不育系以AMP454、AMP19、T98A的一般配合力较高,筛选出配合力较高的杂交组合为AMP19×ZS-102和AMP454×ZS-102。

 

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文章相关
  • 收稿日期:  2017-11-19
  • 修回日期:  2018-01-16
  • 发布日期:  2018-05-19

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