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Title:: QTL Mapping of Seed Amino Acids Content in Soybean

Author(s):: CHEN Qiang; YAN Long; LEI Ya-kun; ZHANG Ying-jun; DI Rui; LIU Bing-qiang; YANG Chun-yan; ZHANG Meng-chen; Institute of Cereal and Oil Crops, Hebei Academy of Agricultural and Forestry Sciences/Shijiazhuang Branch of National Soybean Improvement Center/Huanghuaihai Key Laboratory of Biology and Genetic Improvement of Seybean, Ministry of Agriculture/Hebei Laboratory of Crop Genetics and Breeding, Shijiazhuang 050035, China

Keywords:: Soybean; RIL; Amino acid content; QTL

PACS:: -

DOI:: 10.11861/j.issn.1000-9841.2015.04.0597

Abstract:: A cross of Jidou 12 and Heidou was made to construct a recombinant inbred line of F8 population which has 186 progenies as the experimental material.Correlation between 16 amino acid content were analysis in Shijiazhuang environment ANOVA, CIM and ICIM were used to identify quantitative trait loci The results showed that the distribution of 16 traits was continuous and normal distribution Fourteen QTL were detected across three method about glutamic acid, arginine, serine, alanine, phenylalanine, isoleucine, aspartic acid and lysine, distributed at B1, D1a, D1b, H, I, J and K linkage group, contribution rate from 4.91% to 17.02% qPhe₂₀1 had the highest contribution rate (17.02%), detected by ICIM,favorable alleles originate from Heidou There were three QTL qAsp20,qGlu₂₀ and qLys₂₀ detected by CIM in the same marker interval with qPhe201 qArg11 was detected by ANOVA and ICIM, contribution rate was 11.79%, favorable alleles originate from Jidou 12 These results provide a theoretical basis for markerassisted breeding and fine mapping

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QTL Mapping of Seed Amino Acids Content in Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

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