QTLName SCN 39-4

SCN 39-4

Parent 1:	PI437654
Parent 2:	Essex
Heritability:	0.731
Num loci tested:	273
Interval length:	12.1
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

Other names for the QTL

S13-4

References for the QTL

Wu et al. 2009

QTL, additive and epistatic effects for SCN resistance in PI 437654
Theor. Appl. Genet. 2009, 118(6):1093-1105

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Maps containing SCN 39-4

Map	LG	Start	End
GmComposite2003_H	H	38.88	50.98	See this QTL region in Sequence Browser

Loci positively associated with the QTL

Sat_401

Parent_1

0.3 FI

Sat_401

Parent_2

136.0 FI

Sat_401

Phenotypic_R2

Sat_401

P_value

0.000062

Sat_401

Additive_effect

5.44

Population types used in identification of the QTL

F7:9 RIL

Parent trait values associated with the QTL

Parent	Trait
PI437654	SCN resistant
Essex	SCN susceptible

Loci associated with the QTL

Sctt009

Sat_401

Satt541

Methods used to identify the QTL

GeneMapper 3.7

JoinMap 3.0

QTLNetwork

CIM

Comments about the QTL

Parent_1 is PI437654, Parent_2 is Essex

The trait is resistance to Soybean Cyst Nematode ( SCN ) disease which is caused by the nematode Heterodera glycines. QTL is associated with resistance to SCN Race 1

Publication used Female Index (FI) to quantify SCN resistance, where FI=(no. of cysts on individual/average no. of cysts on cv. Hutcheson)x100

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

U.S. Public Domain