|Table of Contents|

QTL Mapping and Epistasis Analysis of Pods per Plant and Seeds per Plant with an Advanced Backcross Population(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2014年04期
Page:
467-472
Research Field:
Publishing date:

Info

Title:
QTL Mapping and Epistasis Analysis of Pods per Plant and Seeds per Plant with an Advanced Backcross Population
Author(s):
MAO Yan-zhi1; 2; 3; JIANG Hong-wei1; 2; LIU Chun-yan2; XIN Da-wei1; CHE Jing-yu1; 2; 3; HU Guo-hua2; CHEN Qing-shan1
1.College of Agriculture,Northeast Agricultural University,Harbin 150030,China;
2.Land Reclamation Research & Breeding Centre of Heilongjiang,Harbin 150090,China;
3.Keshan Branch of Heilongjiang Academy of Agricultural Sciencs,Keshan 161606，China
Keywords:
Advanced backcross populations; Pods per plant; Seeds per plant; Genetic hitchhiking; QTL mapping
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2014.04.0467
Abstract:
One hundred and fifty-seven BC3F3 plants were constructed with Suinong 14 as recurrent parent and wild soybean ZYD00006 as donor parent in order to utilize the wild soybean germplasm and find the key genes on pod and seed.Pods per plant,seeds number per plant,branches,seeds weight per plant,and 100-seed weight were investigated.Correlation among those traits were analyzed with SPSS software.QTL and epistasis effects for pods per plant and seeds per plant were test by QTL network software 2.0 and chi-square analysis based on genetic hitchhiking.The result showed that pods per plant and seeds per plant were very significantly positive correlated with seeds weight per plant and branches,very negative correlated with 100-seed weight.A total of 4 QTLs related with pods per plant were detected on B2,D1a,G,and N linkage group with those two methods.Five QTLs related with seeds per plant were tested on F,J,D2,and K linkage group,and the interval Satt425-Satt663 on F linkage group could be detected by two methods.Three interaction locus were test for pods per plant and seeds per plant,respectively.

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Last Update: 2014-09-11