‘Cardinal’ grape parentage: a case of a breeding mistake
Bibliographic record
Abstract
The grapevine (Vitis vinifera L.) is one of the most widely grown fruit plants, with table grapes accounting for at least 20% of the total world production. A few traditional table grape cultivars have achieved great international prominence. Among the most important cultivars is 'Cardinal', a historical Californian grapevine obtained by E. Snyder and F. Harmon in 1939 by crossing 'Flame Tokay' (syn. 'Ahmer Bou Amer') with 'Ribier' (syn. 'Alphonse Lavallée') at the Horticultural Field Station of Fresno, Calif.. In the course of DNA typing grapevine varieties collected in Algeria and other Mediterranean countries, we found, surprisingly, that 'Cardinal'could not result from this cross. Here, we present molecular genetic evidence that 'Cardinal' has no parentage relationship with 'Flame Tokay'. We also show, for the first time, that 'Flame Tokay' is a mutant version, at the VVS5 microsatellite locus, of the table grape 'Ahmer Bou Amer', which is considered its synonym.
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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 | 0.001 | 0.006 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.002 | 0.002 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.003 | 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".