Genetic mapping of three alleles at the<i>Pm3</i>locus conferring powdery mildew resistance in common wheat (<i>Triticum</i><i>aestivum</i>L.)
Bibliographic record
Abstract
A set of differential isolates of Blumeria graminis f.sp. tritici was used to identify 10 alleles at the Pm3 locus on the short arm of chromosome 1A. Three F3 populations were used to map Pm3h in Abessi, Pm3i in line N324, and Pm3j alleles in GUS 122 relative to microsatellite markers. In total, 13 marker loci were mapped on chromosome 1AS and 1 marker on 1AL. The order of marker loci in the 3 mapping populations is consistent with previously published maps. All 3 alleles were mapped in the distal region of chromosome 1AS. The present study indicated that microsatellite markers are an ideal marker system for comparative mapping of alleles at the same gene locus in different mapping populations. The linkage distances of the closest microsatellite marker, Xgwm905-1A, to Pm3h, Pm3i, and Pm3j were 3.7 cM, 7.2 cM, and 1.2 cM, respectively. The microsatellite marker Xgwm905-1A cannot be used to distinguish between Pm3 alleles. The development of specific markers for individual Pm3 alleles is discussed on the basis of the recently cloned Pm3b allele.
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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 | 0.000 | 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".