Testing for mycorrhizal fungi-plant-ant indirect effects
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Recent work has demonstrated indirect effects between mycorrhizal fungi and insect herbivores and pollinators. The existence of indirect effects between mycorrhizal fungi and protection-for-food mutualists, such as extrafloral nectar-foraging 'bodyguard ants', is unknown. In this study, we examined the potential for indirect effects of arbuscular mycorrhizal fungi on aggressive ant bodyguards, mediated by changes in the expression of extrafloral nectaries of a shared host plant. We found that mycorrhizal plants grew larger and produced more extrafloral nectaries compared to their non-mycorrhizal counterparts. The difference in the number of nectaries between mycorrhizal and non-mycorrhizal plants, however, was too small to elicit differences in ant attendance. In spite of the lack of a significant indirect effect of mycorrhizal fungi on ant attendance, mycorrhizal plants suffered damage to a significantly greater proportion of their leaves compared to non-mycorrhizal plants. This result likely stems from other (non-ant-mediated) indirect effects of mycorrhizal fungi on herbivores.
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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 | 0.001 |
| 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 it