Effects of seed vernalisation and photoperiod on flowering induction in the halophyte Thellungiella halophila
Why this work is in the frame
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Bibliographic record
Abstract
Salt cress, Thellungiella halophila, is a late-flowering, halophytic plant that requires a prolonged period of vernalisation to flower. This poorly defined vernalisation requirement restricts the use of T. halophila as a model plant for the study of salt-stress tolerance. To facilitate research on T. halophila, the present study quantified the effects of seed vernalisation and photoperiod on its flowering. Imbibed seeds of T. halophila responded to a cold treatment (4°C), and flowering was optimal after 30 days of seed vernalisation. A longer vernalisation period shortened the time until the first flower appeared, increased the number of flowers and reduced expression of ThFLC (a repressor of flowering). Plants growing from seed that had been vernalised for 30 days did not flower when daylength was <9 h, and daylengths >9 h promoted flowering. Therefore, like for many plants in this clade of the Brassicaceae, vernalisation requirement and long-day response are features of T. halophila. These results will facilitate the use T. halophila as a model plant for the study of abiotic stress.
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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