Classification of imazalil resistance in an international collection of <i>Penicillium digitatum</i> isolates
Bibliographic record
Abstract
A total of 213 Penicillium digitatum isolates with resistance to the fungicide imazalil (IMZ) originating from green moulded citrus fruit from several countries (South Africa, USA, Uruguay, Spain, Israel, Cyprus, Chile, Australia and Argentina) were tested for their Cyp51 IMZ-resistance group (R1 to R3) using a published multiplex PCR assay. As well, the level of resistance (measured as EC50 values) was determined. Isolates from the USA showed the highest resistance group diversity (isolates belonged to R1, R2 and R3 groups) and lowest EC50 values. The isolates from the other countries were all classified into the R3 group, except for Chile, which also contained R1 isolates. There was no correlation between the level of resistance of isolates and the resistance group genotype. In general, IMZ resistance was most commonly associated (88.3%) with the R3 group. This study is the first to investigate the distribution of IMZ resistance genotypes in P. digitatum populations from a broad international scale.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 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".