Effects of photoperiod, thermoperiod, and salt stress on <i>Gymnocarpos decandrus</i> seeds: potential implications in restoration ecology activities
Bibliographic record
Abstract
Gymnocarpos decandrus Forssk. (Caryophyllaceae) is a perennial plant widely used for its ability to protect the soil from erosion. The aim of this study was to evaluate the effects of salt stress on its seed germination, with the potential objective to sow seeds instead of planting adult individuals in salt-damaged areas, which would greatly reduce the economic costs of ecological restoration activities. Germination tests were conducted under two photoperiods and three thermoperiods, and with several concentrations of NaCl. The ability of seeds to recover their germinability after salt exposure was also evaluated. The highest rates of germination occurred at 20/30 °C in the light, but no seed germinated in the salt substrate. When exposed to NaCl, only a few seeds (no more than 20%) recovered their germinability and only at the lowest salinity, indicating that this species is highly glycophytic. The inability of its seeds to germinate in saline soils or to successfully recover from exposure to NaCl shows that G. decandrus may be used in rehabilitation programs of degraded lands in arid regions, but only when planting adult plants. Our results will help conservation biologists or people involved in ecological restoration activities to avoid the economic waste associated with unsuccessful sowing of G. decandrus seeds in saline soils.
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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".