Research Article

Related GMR Articles

11/03/2010
Ear weight; Maize (Zea mays L.); Nitrogen regime; quantitative trait locus; Recombinant inbred line

Ear weight is one of the most important agronomic traits considered necessary in maize (Zea mays L.) breeding projects. To determine its genetic basis, a population consisting of 239 recombinant inbred lines, derived from the cross Mo17 x Huangzao4, was used to detect quantitative trait loci (QTLs) for ear weight under two nitrogen regimes. Under a high nitrogen fertilization ... more

X.H. Liu; Z.P. Zheng; Z.B. Tan; Z. Li; C. He
12/03/2012
marker-assisted selection; Next-generation sequencing; quantitative trait locus; Rice; Whole-genome resequencing

After complete sequencing of its genome and annotation of the majority of its ~32,000 genes, rice genome has become the model genome among the cereal genomes, and the focus has shifted from structural to functional genomics and application of genomic-derived information in rice breeding. During the past 2 decades, intensive worldwide efforts have led to significant improvements in rice. ... more

G. Li; S.W. Kwon; Y.J. Park
04/03/2012
Days to silking; Maize (Zea mays L.); Nitrogen regime; quantitative trait locus; Recombinant inbred line

Days to silking (DTS) is one of the most important traits in maize (Zea mays). To investigate its genetic basis, a recombinant inbred line population was subjected to high and low nitrogen (N) regimes to detect quantitative trait loci (QTLs) associated with DTS. Three QTLs were identified under the high N regime; these explained 25.4% of the phenotypic variance. Due to additive ... more

Z.P. Zheng; X.H. Liu; Y.B. Huang; X. Wu; C. He; Z. Li
01/21/2014
Ear height; Maize (Zea mays L.); quantitative trait locus; Recombinant inbred line

Maize (Zea mays L.) is among the crops with the greatest worldwide economic importance. Ear height is a very important trait that is considered necessary in maize and is related to morphology, lodging, and yield. To realize its genetic basis, an F9 recombinant inbred line population and a genetic map consisting of 101 simple sequence repeat markers were used to detect ... more

Z.Q. Li; H.M. Zhang; X.P. Wu; Y. Sun; X.H. Liu
11/25/2008
desiccation tolerance; high temperature; quantitative trait locus; seeds; Zea mays

Quantitative trait locus (QTL) mapping and identification of traits of agronomic importance is important in the process of molecular marker-assisted selection in breeding programs. The molecular map of maize is well saturated and QTL and simple sequence repeat (SSR) markers have been identified, whereas few markers linked to seed quality traits are included. The present study aimed to identify ... more

K.C.P.C. Salgado; E.V.R. Von Pinho; C.T. Guimarães; R.G. Von Pinho; C.A. Ferreira; V. Andrade
12/22/2011
Kernel number per ear; Maize (Zea mays); Nitrogen; quantitative trait locus

Kernel number per ear (KNE) is one of the most important yield-related agronomic traits in maize (Zea mays). To clarify its genetic basis, we made a quantitative trait locus (QTL) analysis of KNE in a recombinant inbred line population derived from lines Mo17 and Huangzao4, under two nitrogen (N) regimes. Seven QTLs, on chromosomes 4, 6 and 9, were mapped under the high N regime ... more

X.H. Liu; S.L. He; Z.P. Zheng; Z.B. Tan; Z. Li; C. He
12/14/2011
Carcass traits; quantitative trait locus; Single nucleotide polymorphism; Sus scrofa chromosome 7 (SSC7)

Many QTLs for fatness traits have been mapped on pig chromosome 7q1.1-1.4 in various pig resource populations. Eight novel markers, including seven SNPs and one insertion or deletion within BTNL1, COL21A1, PPARD, GLP1R, MDFI, GNMT, ABCC10, and PLA2G7 genes, as well as two previously reported SNPs in SLC39A7 and ... more

W.H. Huang; Z.X. Ma; Z.Y. Xu; Y.Z. Xiong; B. Zuo
11/11/2014
Fine mapping; Grain weight; Near isogenic lines; Oryza rufipogon; quantitative trait locus

Grain weight is a major component of rice grain yield and is controlled by quantitative trait loci. Previously, a rice grain weight quantitative trait locus (qGW6) was detected near marker RM587 on chromosome 6 in a backcross population (BC2F2) derived from a cross between Oryza rufipogon IRGC105491 and O. sativa cv. MR219. Using a ... more

M.S. Ngu; M.J. Thomson; M.A.R. Bhuiyan; C. Ho; R. Wickneswari
05/23/2014
quantitative trait locus; Quantitative trait locus-environment interaction; Seed length; Seed width; Soybean

Seed length and seed width are an important factor to the soybean yield. So the quantitative trait loci (QTL) location for seed length and seed width could assistant the breeding of soybean. In this study, the QTL underlying seed length and seed width were studied. A recombinant inbred line population of soybeans derived from a cross between the American semi-draft cultivars Charleston ... more

J.Y. Che; J.J. Ding; C.Y. Liu; D.W. Xin; H.W. Jiang; G.H. Hu; Q.S. Chen
04/17/2014
Ear size; quantitative trait locus; Space flight; Zea mays

The development of molecular markers has contributed to progress in identifying the gene(s) responsible for favorable variations in maize studies. In this study, quantitative trait locus (QTL) mapping was conducted using simple sequence repeat markers in an F2 sweet corn population from a cross between parental line 1132 and space flight-induced mutant line 751 to identify the ... more

Y.T. Yu; G.K. Li; Z.L. Yang; J.G. Hu; J.R. Zheng; X.T. Qi

Pages