Genetic analysis and qtl positioning of primary branch number trait in liaojing371×liaojing326 combination

• Published in: Shenyang nong ye da xue xue bao Vol. 41; no. 3
• Main Authors: Wang Dawei, Shenyang Agricultural University, Shenyang(China), College of Agronomy, Wang Bolun, Shenyang Agricultural University, Shenyang(China), College of Agronomy, Yu Honglan, Shenyang Agricultural University, Shenyang(China), College of Agronomy
• Format: Journal Article
• Language: Chinese
• Published: 01.06.2010
• Subjects: ARROZ; GENE; GENES; http://www.fao.org/aos/agrovoc#c_3214; http://www.fao.org/aos/agrovoc#c_37974; http://www.fao.org/aos/agrovoc#c_6599; LOCI DE RASGOS CUANTITATIVOS; LOCUS DES CARACTERES QUANTITATIFS; QUANTITATIVE TRAIT LOCI; RICE; RIZ

应用植物数量性状＂主基因＋多基因混合遗传模型＂方法,分析了辽粳371×辽粳326一次枝梗数（primary branch number,PBN）性状的遗传效应。结果表明：一次枝梗数性状的遗传符合两对等加性主基因＋加性-显性多基因模型（E-4）,两对主基因的加性效应相同,均为-0.618;主基因遗传率为48.4%。经SSR标记,利用Qgene软件对该F2代群体进行QTL分析,在第1和第8染色体上定位到两个基因位点qPBN-1-1和qPBN-8-1,加性效应分别为-0.736和-0.388,贡献率分别为11.7%和10.8%。遗传分析与QTL定位结果基本一致。 Primary branch num...