Effects of <i>Lactarius deliciosus</i> and <i>Rhizopogon roseolus</i> ectomycorrhyzal fungi on seeds and seedlings of Scots and stone pines inoculated with <i>Fusarium oxysporum</i> and <i>Fusarium verticillioides</i>
Bibliographic record
Abstract
Two isolates of the edible ectomycorrhizal fungi (ECM), Lactarius deliciosus and Rhizopogon roseolus, were tested against Fusarium oxysporum and F. verticillioides, causal agents of damping-off on seeds and seedlings of Scots pine (Pinus sylvestris) and stone pine (Pinus pinea). The effects of ECM on Fusarium spp. in the rhizosphere of Scots and stone pines were evaluated by: (1) co-inoculating ECM and Fusarium when seeding (seed test) and (2) co-inoculating eight-week-old seedlings (seedling test). The seed tests showed significant reduction of Scots pine seed germination when treated with F. verticillioides, but this effect was absent when co-inoculated with R. roseolus. Higher germination rates were observed in stone pine when F. oxysporum was co-inoculated with L. deliciosus than the pathogen inoculation alone. In the seedling test, Scots and stone pines were not apparently affected by Fusarium spp. No obvious changes in plant growth-related variables were observed in either assay. Root colonization of Scots and stone pine seedlings by R. roseolus was 15.5% and 12% for the seed assay, as well as 21.6% and 11% for the seedling assay. Lactarius deliciosus mycorrhizal roots were found only in Scots pine seedlings (10%). Rhizopogon roseolus and L. deliciosus are two promising fungi for pine seedling protection against Fusarium damping-off at nurseries.
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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 | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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".