QTLName Phytoph 11-21

Phytoph 11-21

Parent 1:	Conrad
Parent 2:	Sloan
Heritability:	0.68
Num loci tested:	165
Interval LOD score:	2.9
Percent Variation Explained:	7.1
Trait name:	Reaction to Phytophthora sojae infection

Controlled vocabulary terms associated with the QTL

Source	Accession Number
Plant Trait Ontology	TO:0000439

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Other related QTL's

References for the QTL

Wang et al. 2012

Comparison of Phenotypic Methods and Yield Contributions of Quantitative Trait Loci for Partial Resistance to Phyophthora sojae in Soybean
Crop Sci. 2012, 52(2):609-622

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Maps containing Phytoph 11-21

Map	LG	Start	End
GmComposite2003_F	F	73.12	75.12	See this QTL region in Sequence Browser

Loci positively associated with the QTL

Sct_033

Parent_1

25.7 mm

Sct_033

Parent_2

41 mm

Sct_033

Phenotypic_R2

Sct_033

P_value

0.002

Population types used in identification of the QTL

F4:6 RIL

Parent trait values associated with the QTL

Parent	Trait
Conrad	Higher resistance
Sloan	Lower resistance

Loci associated with the QTL

Sct_033

Methods used to identify the QTL

JoinMap 4.0

MapQTL 5.0

ANOVA

Comments about the QTL

QTL was detected for resistance to the 1.S.1.1 isolate of P. sojae using lesion length, root rot and plant weight to quantify resistance. Only first listed data (lesion length) presented in SoyBase. See publication for additional details

P value and R2 obtained by one-way ANOVA

Parent_1 is Conrad, Parent_2 is Sloan

Trait is reaction to Phytophthora sojae, the causative organism for Phytophthora root and stem rot and Phytophthora seed decay.

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