|Table of Contents|

Single Marker Analysis on QTL Conditioning Yield per Plant in Soybean by Fourway Recombinant Inbred Lines Population(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年01期
Page:
160-164
Research Field:
Publishing date:

Info

Title:
Single Marker Analysis on QTL Conditioning Yield per Plant in Soybean by Fourway Recombinant Inbred Lines Population
Author(s):
NING Hai-long;  LI Bai-yun;  HE Yue-peng;  WU Hao;  BAI Xue-lian;  SI Jing-bo;  ZHUANG Xu;  LI Wen-xia
Key Laboratory of Soybean Biology, Ministry of Education, Key Laboratory of Soybean Biology and Breeding/Genetics, Ministry of Agriculture, Northeast Agricultural University, Harbin 150030, China
Keywords:
Soybean;  FW-RIL;  Yield per plant;  Favorable allele genotypes
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.01.0160
Abstract:
In this paper a four-way recombinant inbred lines (FWRIL) population, which came from double cross (Kenfeng 14×Kenfeng 15) ×(Heinong 48×Kenfeng 19) through continuous self-fertilizer 6 times and was composed of 160 lines, was used to map QTL conditioning yield per plant (YPP) based the genotypic data came from 154 SSR primers and phenotypic data of YPP came from 4 planting environments, i.e. Keshan in 2013, Harbin in 2013, the first sowing date of Harbin in 2014, the second sowing date of Harbin in 2014, by single marker analysis method.The results showed that 46 QTLs underlying YPP were detected significantly and the QTLs distributed on linkage group A1, A2, C1, C2, D2, D1b, L, K, B2, N, E, J, F, G and H with the range of heritability from 0.15%-9.37%.The QTLs showed higher heritability including BARCSOYSSR_02_0607, BARCSOYSSR_03_1620, BARCSOYSSR_19-0451, Sat_153, Sat_367, Satt229 and Satt529. The excellent allele genotypes that could increase YPP under its QTL include BARCSOYSSR_02_0607(Q1Q1), BARCSOYSSR_03_1620(Q2Q2), BARCSOYSSR_09_0183(Q1Q1), Satt229(Q2Q2), Sat_367(Q3Q3), Satt338(Q1Q1), Satt229(Q1Q1) and Satt668(Q1Q1).Among all detected QTLs, BARCSOYSSR_08_0966, Sat_36, Sat_153, BARCSOYSSR_02_0607 and Satt529 are mapped tautologically in two environments, which indicates these five QTLs could be utilized in molecular design breeding to improve YPP.

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Last Update: 2016-02-05