Bibliographic record
Abstract
As a widely cultivated crop worldwide, barley ( Hordeum vulgare ) has a long history of domestication and has had a profound impact on agricultural production and human life. With the development of molecular biology technology, research on nucleotide diversity in barley has gradually deepened, providing important basis for understanding the genetic structure and domestication mechanism of barley. This study aims to analyze the impact of domestication on nucleotide diversity in barley. By comparing and analyzing the nucleotide diversity of wild barley and cultivated barley, it is found that population bottlenecks and targeted breeding during domestication have a profound impact on genetic structure. Meanwhile, the changes in adaptive genes and genomic structure of barley caused by domestication were explored, revealing the impact of domestication mechanisms on crop genetics. This study aims to enhance the understanding of the genetic mechanism of barley domestication, and provide scientific basis for variety improvement and genetic resource protection. In addition, it has reference value for other crop domestication and genetic diversity research, and is of great significance for promoting the development of agricultural biotechnology.
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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 | 0.001 |
| 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".