OF RESISTANCE IN TWO BIOTYPES OF GLYPHOSATE RESISTANT GIANT
Bibliographic record
Abstract
Glyphosate resistant giant ragweed poses a significant threat to farmers in southern Ontario as interference from this species can result in massive yield loses. The objective of this study is to investigate two distinct mechanisms of glyphosate resistance present in giant ragweed biotypes. Target site sequencing along with inter-population crosses were performed to obtain insight into the pattern of inheritance. The role of H2O2 was examined using 3,3’-Diaminobenzidine staining and glyoxylate content was measured as a means of investigating glycolate oxidase activity. Sequencing data revealed no target site mutations while F1 survival data showed a decreased resistance level. DAB staining showed evidence of H2O2 accumulation. Glyoxylate levels showed no differences between biotypes. Results from this study will contribute to elucidating the mechanism of glyphosate resistance in giant ragweed. iii
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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 | 0.000 |
| 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".