Phytoph 6-6

Parent 1:	Conrad
Parent 2:	Hefeng 25
Interval length:	0.57
Interval LOD score:	7.17
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

Other names for the QTL

QPRR-6

References for the QTL

Li et al. 2010

Pyramided QTL underlying tolerance to Phytophthora root rot in mega-environments from soybean cultivars Conrad and Hefeng 25
Theor. Appl. Genet. 2010, 121(4): 651-658

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Maps containing Phytoph 6-6

Map	LG	Start	End
GmComposite2003_C2	C2	113.38	113.95	See this QTL region in Sequence Browser

Loci positively associated with the QTL

Satt100

Favorable_allele_source

Hefeng 25

Satt100

Parent_1

3.27%

Satt100

Parent_2

3.38%

Satt100

Phenotypic_R2

7.56

Satt100

LOD_score

7.17

Satt100

Favorable_allele_source

Hefeng 25

Population types used in identification of the QTL

F2:5 and F2:6 RIL

Parent trait values associated with the QTL

Parent	Trait
Conrad	More resistant
Hefeng 25	Less resistant

Loci associated with the QTL

Satt100

Satt489

Methods used to identify the QTL

Proc. Shapiro-wilk.SAS

Mapmaker/EXP 3.0

QTL Cartographer

Comments about the QTL

Publication contains data for 5 sites for 2 years. Entry displays only first line for each QTL in Table 2 of publication.

Publication used disease loss percentage (percent of plants that died) to quantify P. sojae tolerance

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