An investigation into the anatomical differences between flat and folded leaves in reed canarygrass (<i>Phalaris arundinacea</i> L.)
Bibliographic record
Abstract
Reed canarygrass, Phalaris arundinacea L., is one of the most productive, perennial cool-season grasses. It is found in humid and subhumid regions of the northern United States and southern Canada. Reed canarygrass plants with folded leaves were observed in a space-planted nursery. Morphological variants involving leaf folding or rolling have been studied in a number of grass species. None of these studies have investigated the anatomical differences between the folded leaf and more frequently occurring flat leaves in the respective species. The objective of this study was to investigate the histological differences between the folded and flat leaves. Upon sectioning, the flat leaf type was observed to have turgid bulliform cells, while those in the folded leaves were flaccid. And the folded leaves appeared to have a larger sclerenchymal layer in the extended bundle sheaths compared with the flat leaves. Incorporating the folded leaf genotype into a breeding program may allow the cultivation of reed canarygrass in more arid regions, and may improve the biofuel quality of a resulting cultivar. Key words: Leaf morphology, anatomy, plant breeding, cool-season grass, folded leaf
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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".