Progress in breeding for resistance to fusarium head blight in barley
Bibliographic record
Abstract
In western Canada, from 2000 to the spring of 2003, much of the breeding effort to improve resistance of barley (Hordeum vulgare) to fusarium head blight (FHB) was conducted through a collaborative project supported by a number of funding agencies. The main results of this 3-year project were briefly discussed in the present study, with the conclusion that this project has laid the foundation for developing new barley cultivars with improved resistance to FHB. A new 3-year project with an increased national focus was initiated in the spring of 2003, with funding from the Western Grains Research Foundation and Agriculture and Agri-Food Canada's Matching Investment Initiative program. A brief description of the new project and an update on progress in 2003 is presented in this study. The new project will pursue most of the objectives of the former project, with one of the important additions being access to the FHB nursery at Charlottetown, Prince Edward Island. Although more deoxynivalenol analyses will be conducted using enzymed-linked immunosorbent assays for the new project, currently available capabilities for testing deoxynivalenol levels remain a major constraint in barley breeding. In conclusion, progress is being made in improving resistance to FHB in barley, but it will be a long-term effort.
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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 | 0.002 | 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 | 0.001 | 0.000 |
| Scholarly communication | 0.002 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 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".