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Integrated genetic linkage map of cultivated peanut by three RIL populations

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Integrated genetic linkage map of cultivated

peanut by three RIL populations

Yanbin Song[1];Huaiyong Luo[1];Li Huang[1];Yuning Chen[1];Weigang Chen[1];Nian Liu[1];Xiaoping Ren[1];Bolun Yu[1];Jianbin Guo[1];Huifang Jiang[1];

【期刊名称】《中国油料作物学报(英文版)》 【年(卷),期】2017(000)003

【摘要】High-density and precise genetic linkage map is fundamental to detect quantitative trait locus (QTL) of agronomic and quality related traits in cultivated peanut (Arachis hypogaea L.). In this study, three linkage maps from three RIL (recombinant inbred line)populations were used to construct an integrated map. A total of 2,069 SSR and transposon markers were anchored on the high-density integrated map which covered 2,231.53 cM with 20 linkage groups. Totally, 92 QTLs correlating with pod length (PL), pod width (PW), hundred pods weight (HPW) and plant height (PH) from above RIL populations were mapped on it. Seven intervals were found to harbor QTLs controlling the same traits in different populations,including one for PL, three for PW, two for HPW, and one for PH. Besides, QTLs controlling different traits in different populations were found to be overlapped in four intervals.Interval on A05 contains 17 QTLs for different traits from two RIL populations. New markers were added to these intervals to detect QTLs with narrow confidential intervals.Results obtained in this study

Integrated genetic linkage map of cultivated peanut by three RIL populations

IntegratedgeneticlinkagemapofcultivatedpeanutbythreeRILpopulationsYanbinSong[1];HuaiyongLuo[1];LiHuang[1];YuningChen[1];WeigangChen[1];NianLiu[1];XiaopingRen[
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