VERIFICATION OF SNP MARKERS ASSOCIATED WITH AFTER-COOKING DARKENING IN POTATOES
Bibliographic record
Abstract
After-cooking darkening (ACD), a gray-black discoloration, is one of the key quality defects of the potato. Previous work using a diploid population 13610 identified 14 single nucleotide polymorphism (SNP) markers, located on eight chromosomes, which have the strongest association with ACD. Seven of these markers are located in four major quantitative trait loci (QTL) on chromosomes 2, 4, 6, and 10. It is hypothesized that these 14 markers would also have significant relationship to ACD in other breeding populations. Therefore, their effects in another diploid population 14946 were analyzed by amplicon genotyping using high-resolution DNA melting (HRM). Eleven of the 14 SNP markers were confirmed to be significantly associated with ACD. Six of the 11 markers were located in the four major QTL regions. In addition, unlabelled probe assays using HRM were performed on a group of clones in the tetraploid population 14945. Five from the 14 markers were analyzed, and three showed significant relationship to ACD. The methodology established and the markers identified in this study could benefit breeding programs for developing lower ACD varieties.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 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) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".