A comparative morphological study of South African avocado and mango isolates of<i>Colletotrichum gloeosporioides</i>
Bibliographic record
Abstract
South African isolates of Colletotrichum gloeosporioides (Penz.) Penz. & Sacc. in Penz. from avocado and mango are phenotypically as variable as isolates from other countries over the world. Colony colours ranging from pale salmon pink to dark grey green occurred. Isolates from mango were generally less variable than those from avocados. Most isolates produced appressoria terminally on germ tubes and few differences were observed between appressoria of different isolates, their mean length being 14.6 µm. Four different types of conidial shapes were found, and both avocado and mango isolates produced mainly cylindrical conidia with a tapered base and obtuse apex. Conidial length varied considerably, but width remained relatively constant. No correlation was evident between the length/width ratio of conidia and the virulence of isolates when inoculated into avocado and mango.Key words: Colletotrichum gloeosporioides, conidia, morphology, avocado, mango.
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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".