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GrainGenes Reference Report: CRS-37-1306

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Reference	CRS-37-1306
Title	QTLs and epistasis associated with vernalization responses in oat.
Journal	Crop Science
Year	1997
Volume	37
Pages	1306-1316
Author	Holland JB Moser HS O'Donoughue LS Lee M
Abstract	Oat (Avena sativa L.) genotypes differ in their patterns of growth and development in response to vernalization (cold temperatures applied to germinating seeds). Genomic regions controlling vernalization response in heading date, plant height, and tiller number were mapped in a recombinant inbred (RI) population derived from the cross of oat cultivars 'Kanota' (vernalization-responsive) and 'Ogle' (vernalization-insensitive).Seventy-one F6-derived RI lines were subjected to vernalization and no-vernalization treatments, and then grown in growth chambers. A genetic linkage map of 561 (primarily RFLP) loci was used to identify quantitativet rait loci (QTLs) affecting the traits in vernalized and non-vernalized plants. Nine to 16 linkage groups and unlinked loci were associated with each trait assessed herein. Individual loci explained up to 37% of the phenotypic variation. Three to five significant loci were included in multiple locus linear models which explained up to 66% of phenotypic variation for each trait. One to 14 interactions between loci were found for each trait. The interactions explained up to 30% of the phenotypic variation not accounted for by the main effects of loci involved in the interactions. Inclusion of epistatic interactions tended to improve the fit of multiple locus models. As much as 83% of phenotypic variation was explained by multiple locus models including epistasis. Numerous epistatic interactions involving at least one locus with no significant main effect were detected.
External Databases	https://doi.org/10.2135/cropsci1997.0011183X003700040047x https://dl.sciencesocieties.org/publications/cs/abstracts/37/4/CS0370041306
Map Data	Oat-1997-KxO-QTL
QTL	[ Hide all but 1 of 80 ] QHDNV.1997-KxO_UL.1 QHDNV.1997-KxO_UL.2 QHDNV.1997-KxO_2 QHDNV.1997-KxO_7 QHDNV.1997-KxO_13 QHDNV.1997-KxO_17.1 QHDNV.1997-KxO_17.2 QHDNV.1997-KxO_17.3 QHDNV.1997-KxO_23 QHDNV.1997-KxO_24 QHDNV.1997-KxO_37 QHDVR.1997-KxO_UL.2 QHDVR.1997-KxO_UL.5 QHDVR.1997-KxO_2 QHDVR.1997-KxO_13 QHDVR.1997-KxO_14 QHDVR.1997-KxO_15 QHDVR.1997-KxO_16 QHDVR.1997-KxO_20 QHDVR.1997-KxO_22 QHDVR.1997-KxO_24 QHDVR.1997-KxO_33 QHDVR.1997-KxO_35 QHDV.1997-KxO_UL.3 QHDV.1997-KxO_UL.4 QHDV.1997-KxO_3 QHDV.1997-KxO_5 QHDV.1997-KxO_6.1 QHDV.1997-KxO_6.2 QHDV.1997-KxO_7 QHDV.1997-KxO_8 QHDV.1997-KxO_17.1 QHDV.1997-KxO_17.2 QHDV.1997-KxO_17.3 QHDV.1997-KxO_22 QHDV.1997-KxO_23 QHDV.1997-KxO_24 QHDV.1997-KxO_28 QHTNV.1997-KxO_UL.6 QHTNV.1997-KxO_UL.7 QHTNV.1997-KxO_5.1 QHTNV.1997-KxO_5.2 QHTNV.1997-KxO_6 QHTNV.1997-KxO_13 QHTNV.1997-KxO_14 QHTNV.1997-KxO_16 QHTNV.1997-KxO_17 QHTNV.1997-KxO_20 QHTNV.1997-KxO_22 QHTNV.1997-KxO_23 QHTNV.1997-KxO_24.1 QHTNV.1997-KxO_24.2 QHTNV.1997-KxO_25 QHTNV.1997-KxO_33 QHTNV.1997-KxO_36 QHTNV.1997-KxO_37 QHTVR.1997-KxO_UL.8 QHTVR.1997-KxO_6 QHTVR.1997-KxO_13 QHTVR.1997-KxO_15 QHTVR.1997-KxO_17 QHTVR.1997-KxO_21 QHTVR.1997-KxO_24 QHTVR.1997-KxO_28 QHTVR.1997-KxO_30 QHTVR.1997-KxO_33 QHTV.1997-KxO_UL.6 QHTV.1997-KxO_UL.7 QHTV.1997-KxO_5 QHTV.1997-KxO_6.1 QHTV.1997-KxO_6.2 QHTV.1997-KxO_11 QHTV.1997-KxO_13.1 QHTV.1997-KxO_13.2 QHTV.1997-KxO_14 QHTV.1997-KxO_17 QHTV.1997-KxO_21 QHTV.1997-KxO_22 QHTV.1997-KxO_33 QHTV.1997-KxO_37

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