QTLName SCN 18-5

SCN 18-5

Parent 1:	PI438489B
Parent 2:	Hamilton
Heritability:	68
Num loci tested:	115
Interval length:	11.4
Percent Variation Explained:	12.8
Trait name:	Reaction to Heterodera glycines

Controlled vocabulary terms associated with the QTL

Source	Accession Number
Plant Trait Ontology	TO:0000384
Gene Ontology	GO:0009624

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Other related QTL's

References for the QTL

Yue et al. 2001

Molecular characterization of resistance to Heterodera glycines in soybean PI 438489B
Theor. Appl. Genet. 2001, 102( 6-7):921-928

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Maps containing SCN 18-5

Map	LG	Start	End
GmComposite2003_G	G	23.10	54.70	See this QTL region in Sequence Browser

Loci positively associated with the QTL

A096_3

Phenotypic_R2

12.800000

A096_3

LOD_score

7.520000

A096_3

P_value

0.001000

A096_3

Favorable_allele_source

PI438489B

Population types used in identification of the QTL

F2:3

Parent trait values associated with the QTL

Parent	Trait
PI438489B	Resistant; female index 5.0
Hamilton	Susceptible; female index 45.21

Loci associated with the QTL

A096_3

Satt130

Methods used to identify the QTL

SAS GLM

Comments about the QTL

The trait is resistance to Soybean Cyst Nematode ( SCN ) disease which is caused by the nematode Heterodera glycines. A Candidate_gene maps within 10 cM of the QTL. A Putative_candidate_gene is linked to the QTL, but more than 10 cM from it.

Funded by the USDA-ARS. Developed by the USDA-ARS SoyBase and Legume Clade Database group at the Iowa State University, Ames, IA

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