Variation in chickpea germplasm for tolerance to imazethapyr and imazamox herbicides
Bibliographic record
Abstract
Tolerance to the imidazolinone class of herbicides would be a desirable agronomic trait for chickpea (Cicer arietinum L.) grown in western Canada. Identification of germplasm tolerant to imidazolinones and incorporation of this tolerance into future varieties will allow an integrated weed management strategy in chickpea. The current study evaluated the variation of diverse chickpea germplasm and cultivars available in Canada for tolerance to the imidazolinone class of herbicides under greenhouse conditions. Large differences among the genotypes in response to a mixture of imazethapyr and imazamox were observed. Several accessions were identified with tolerance to a mixture of imazethapyr and imazamox. Conventional breeding for imazethapyr/imazamox tolerance in chickpea is feasible. The simple screening used in the current study allows for rapid progress towards the development of herbicide-tolerant cultivars.Key words: Chickpea, germplasm, imazethapyr, imazamox, tolerance
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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 | 0.001 |
| 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".