Grass overseeding and a fungus combine to control <i>Taraxacum officinale</i>
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Summary Common dandelion Taraxacum officinale is the most abundant and frequent weed within turfgrass in temperate climates. With increasing legislation banning herbicide & non‐chemical means of control are needed replace phenoxy herbicides. The weediness of T. officinale is mainly the result of high seed production, dispersal and germination potential. A successful long‐term weed control strategy should suppress established plants, exert negative effects on seed production and prevent seedling establishment. The potential of Sclerotinia minor to cause T. officinale seed mortality and reduce seedling emergence without impact on turfgrass species was evaluated in greenhouse and field experiments. A pre‐emergence application of S. minor at the time of seeding and a post‐emergence application at 10 days after seeding significantly reduced T. officinale emergence to 17% and 2%, respectively, compared with 70–80% germination in the untreated control. There were no adverse effects of direct S. minor contact on turfgrass seed germination, seedling emergence or seedling establishment. Grass overseeding alone did not improve grass quality or reduce T. officinale population densities in a low‐maintained lawn environment. When S. minor was combined with grass overseeding, at application or 10 days after application, a 70–80% reduction of the T. officinale population occurred in the first year, increasing to 95% in the following year in the absence of further treatments. Turfgrass appearance and quality significantly and continuously improved up to 80%, compared with 10–20% in the control plots. Densities of other weeds, white clover Trifolium repens and field bindweed Convolvulus arvensis , were also significantly reduced when S. minor was applied with grass overseeding compared with the bioherbicide alone. Synthesis and applications . We have demonstrated that S. minor reduces seed numbers, seedlings and establishment of T. officinale and, when combined with grass overseeding, the grass sward flourishes and weed emergence and colonization are significantly reduced. Other broadleaf weeds are susceptible to S. minor and thus this bioherbicide could have utility in no‐till maize, cereal grain and grass seed production systems, where producers are searching for non‐chemical weed control.
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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 | 0.000 |
| 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 it