The first doubled haploid linkage map for cultivated oat
Bibliographic record
Abstract
To date, all linkage maps of hexaploid oat (Avena sativa L.) have been constructed using recombinant inbred lines (RILs). Doubled haploids (DHs), however, have the advantage over RILs of their comprehensive homozygosity. DHs have been used for mapping in several cereal species, but in oats the production of large DH populations has only recently become an option. A linkage map of hexaploid oat was constructed using an anther culture-derived DH population (137 individuals) from the F1 individuals of a cross between the Finnish cultivar 'Aslak' and the Swedish cultivar 'Matilda'. The map is composed of 28 linkage groups containing 625 DNA markers: 375 AFLPs (amplified fragment length polymorphisms), 3 IRAPs (inter-retrotransposon amplified polymorphisms), 12 ISSRs (inter simple sequence repeats), 12 microsatellites, 57 RAPDs (random amplified polymorphic DNAs), 59 REMAPs (retrotransposon-microsatellite amplified polymorphisms), 105 SRAPs (sequence-related amplified polymorphisms), and 2 SNPs (single-nucleotide polymorphisms). The total map size is 1526 cM. Over half of the markers in the map showed distorted segregation, with alleles from 'Aslak' usually prevailing. This is explained by the better performance of 'Aslak' in anther culture. Quantitative trait loci affecting some important quality and agronomic traits are being localized on the map.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".