绿豆分枝角度遗传研究
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摘要
以半蔓生型品种洮绿218和直立型品种吉绿10号为亲本配制杂交组合,采用主基因+多基因混合遗传模型分析方法,分别以每个夹角(ob1)和每个单株夹角平均数(ob2)为研究对象,对该组合6世代遗传群体(P_1、P_2、F_1、F_2、B_1和B_2)的分枝角度进行遗传分析。结果表明,两种情况下分枝角度均受2对加性-显性-上位性主基因+加性-显性多基因控制(E-1模型)。ob1情况下,分枝角度主要受2对主基因的影响,ob2情况下,分枝角度受到2对主基因和多基因共同影响。因此,在绿豆株型育种中要综合考虑主基因、多基因和环境因素的影响。
The six generation populations(P_1, P_2, F_1, F_2, B_1 and B_2) were produced from a cross between semi-erectvariety 'Taolyu 218'and erect variety 'Jilyu 10'to analyze inheritances of branch angle in mungbean by mixed ma-jor gene plus polygene inheritance model based on data of every branch angle(ob1) and average branch angle perplant(ob2), respectively. The results showed branch angles were both dominated by two pairs of major gene with ad-ditive-dominance-epistasis effects plus polygenes with additive-dominance-epistasis(E-1 model). The ob1 wasmainly affected by two major genes. The ob2 was both affected by two major genes and two polygenes. The role ofmajor genes, polygenes and environmental conditions should be comprehensively considered in plant type breedingof mungbean.
The six generation populations(P_1, P_2, F_1, F_2, B_1 and B_2) were produced from a cross between semi-erectvariety 'Taolyu 218'and erect variety 'Jilyu 10'to analyze inheritances of branch angle in mungbean by mixed ma-jor gene plus polygene inheritance model based on data of every branch angle(ob1) and average branch angle perplant(ob2), respectively. The results showed branch angles were both dominated by two pairs of major gene with ad-ditive-dominance-epistasis effects plus polygenes with additive-dominance-epistasis(E-1 model). The ob1 wasmainly affected by two major genes. The ob2 was both affected by two major genes and two polygenes. The role ofmajor genes, polygenes and environmental conditions should be comprehensively considered in plant type breedingof mungbean.
引文
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[2]程须珍,王素华,王丽侠.绿豆种质资源描述规范和数据标准[M].北京:中国农业出版社,2006:54.
[3]唐启义.DPS数据处理系统:实验设计、统计分析及数据挖掘(第2版)[M].北京:科学出版社,2010:75-81.
[4]盖钧镒,章元明,王建康.QTL混合遗传模型扩展至2对主基因+多基因时的多世代联合分析[J].作物学报,2000,26(4):385-391.
[5]盖钧镒,章元明,王建康.植物数量性状遗传体系[M].北京:科学出版社,2003:224-258.
[6]曹锡文,刘兵,章元明.植物数量性状分离分析Windows软件包SEA的研制[J].南京农业大学学报,2013,36(6):1-6.
[7]贺再新.水稻理想株型研究进展与育种策略[J].湖南农业科学,2005(1):11-13.
[8]张旷野,孙铭泽,闫伟,等.玉米穗上叶叶夹角的遗传分析[J].作物杂志,2015(6):27-32.
[9] CHEN Q, ZENG M H, JIANG F, et al. Analysis on genetic characteristics of leaf angle in waxy corn[J]. Agric Sci&Tech, 2015,16(6):1147-1150.
[10]马秀芳,郝宪彬,沈枫,等.北方杂交粳稻株型遗传分析[J].中国农业科学,2008,41(9):2563-2572.
[11] LIU J, WANG W, MEI D, et al. Characterising variation of branch angle and genome-wide association mapping in rapeseed(Brassica napus L.)[J]. Frontiers in Plant science, 2016(7):21.
[12]冯辉,王五宏,徐娜,等.串番茄主要株型性状的遗传研究[J].中国农业科学,2008,41(12):4134-4139.
[13]徐宁,王明海,包淑英,等.直立型绿豆种质资源搜集、评价与种质创新[J].东北农业科学,2016,41(6):50-55.
[14]汪文祥,胡琼,梅德圣,等.甘蓝型油菜分枝角度主基因+多基因混合遗传模型及遗传效应[J].作物学报,2016,42(8):1103-1111.