Aetiology of stemphylium blight on lentil in Canada
Bibliographic record
Abstract
Field isolates of <i>Stemphylium</i> spp. collected from lentil and nine other western Canadian crops were compared to the ex-type isolate of <i>Stemphylium botryosum</i> by morphology and by molecular phylogenetic analysis based on the internal transcribed spacer (ITS) and the <i>glyceraldehyde-3-phosphate dehydrogenase</i> gene regions. Sequence data of these genes for six other <i>Stemphylium</i> spp. obtained from GenBank were also included in the phylogenetic analysis. Morphology of colonies and morphometry of conidia agreed with previous descriptions of <i>S. botryosum</i>, but did not correlate with the clustering observed in the phylogenetic analysis. Sequence data revealed that <i>S. botryosum</i> is one of probably two <i>Stemphylium</i> spp. involved in the development of stemphylium blight on Canadian lentil, and is associated with other hosts such as faba bean, soybean, bean, pea, alfalfa, coriander, caraway and fenugreek. More than one validly described <i>Stemphylium</i> sp. was associated with the second cluster of isolates causing stemphylium blight, indicating that an extensive taxonomic review of the genus <i>Stemphylium</i> is required before this second stemphylium blight pathogen can be identified by name.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.043 | 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 teacher head, 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".