<i>Rhizoctonia</i> fungi enhance the growth of the endangered orchid <i>Cymbidium goeringii</i>
Bibliographic record
Abstract
Orchids are among the most prized ornamental plants in many societies throughout the world. As a result, consumer demands have created a significant pressure on wild populations of many species, including Cymbidium goeringii Rchb. f., a rare terrestrial orchid endemic in China, Korea, and Japan. To help conserve natural populations of C. goeringii, we recently started investigating methods to cultivate these orchids. Here we fulfilled Koch’s postulates and demonstrated that fungal strains isolated from the roots of natural Cymbidium plants increased fresh mass, plant height, number of leaves, and root length of C. goeringii, and that the two fungal strains originally isolated from C. goeringii showed overall greater effects on growth than two other strains from other Cymbidium species. Internal transcribed spacer sequence analyses revealed that the four fungal strains likely represented at least two new taxonomic groups, both belonging to the family Ceratobasidiaceae of the Rhizoctonia fungi. Our study demonstrated that these fungal strains could potentially help the commercial cultivation of the increasingly rare and endangered orchid C. goeringii.
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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 | 0.000 | 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".