Effects of PEG Stress on Cool-season Turfgrass Seed Germination and Seedling Growth
Bibliographic record
Abstract
The seeds germination of perennial ryegrass,Festuca arundinacea and Kentucky bluegrass were researched under artificial drought stress using different concentrations of polyethylene glycol(PEG-6000) solution.The results showed that the time of perennial ryegrass's and Kentucky bluegrass's seeds beginning to germinate were postponed with the concentration increasing under drought stress.But it had little effect on Festuca arundinacea.The seeds germination of perennial ryegrass and Kentucky bluegrass were promoted at low PEG concentration(5%),but at high concentration(15%-25%),the germination were inhibited.The order of the three turfgrass' drought resistance was: Festuca arundinacea perennial ryegrassKentucky bluegrass.
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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".