SCN 39-1

Parent 1:	PI437654
Parent 2:	Essex
Heritability:	0.731
Num loci tested:	273
Interval length:	4.3
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

S2-4

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 39-1

Map	LG	Start	End
GmComposite2003_A2	A2	52.21	55.91	See this QTL region in Sequence Browser

Loci positively associated with the QTL

Satt187

Parent_1

0.3 FI

Satt187

Parent_2

136.0 FI

Satt187

Phenotypic_R2

5.1

Satt187

P_value

Satt187

Additive_effect

13.2263

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

Satt187

AW132402

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