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| Map Set Name: |
Apex/H. spontaneum BC SSR QTL 2003 |
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| Abbreviated Name: |
Apex/H. spontaneum BC SSR QTL |
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| Accession ID: |
pih2003a |
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| Species: |
Hordeum vulgare (Barley) |
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| Map Type: |
QTL |
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| Map Units: |
cM |
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| Published On: |
01 January, 2003 |
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Description:
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This is the first described advanced-backcross QTL using spring barley as a model, and is the first barley QTL study based exclusively on SSR markers. The mapping population was created from a cross between Hordeum vulgare (Apex) and Hordeum spontaneum (ISR-101-23) followed by 2 cycles of backcrossing with Apex and one cycle of selfing. 136 randomly chosen individuals were used for genotyping and these were subsequently bulk propagated for field testing; BC2F2:5 in 1999, and BC2F2:6 in 2000. 13 quantitative traits were measured in up to 6 environments (3 sites over 2 years), resulting in 86 putative QTLs among 585 marker x trait combinations. SSR markers polymorphic between the parents but failing to show the ISR101-23 allele in the BC2F2 population are assigned an 'Error 1' to their map position resulting in placement on the map in a column to the right of markers with both alleles found in the BC2F2 population. QTLs are in the right-most column on the interactive maps. The marker and map data are kindly provided by GrainGenes.
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