Rising CO<sub>2</sub> can alter fodder–weed interactions and suppression of <i>Parthenium hysterophorus</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 Three C 4 grass ( Setaria incrassata , Astrebla squarrosa and Bothriochloa decipiens ) and one C 3 legume ( Clitoria ternatea ) suppressive fodder species, were re‐evaluated against the growth of the C 3 Parthenium hysterophorus under an ambient (390 μmol mol −1 ) and an elevated atmospheric CO 2 concentration (550 μmol mol −1 ). Under the elevated atmospheric CO 2 , shoot dry biomass and suppression index ( SI ) value of the C 4 S. incrassata were both reduced by 32% and 0.7 respectively, while those for A. squarrosa were reduced by 23% and 0.3. In contrast and under the same elevated atmospheric CO 2 concentration, the shoot dry biomass and SI of the C 4 B . decipiens were increased by 8% and 0.1 respectively, while those for the C 3 C. ternatea were increased by 38% and 0.8. Our results suggest that C 3 fodder plants along with certain C 4 species could be utilised for the effective management of P . hysterophorus under the future elevated atmospheric CO 2 conditions. However, this system needs more fodder species to be investigated. Our results suggest that rising CO 2 per se may alter the efficacy of suppressive fodder management of an invasive C 3 species, P . hysterophorus .
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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 | 0.001 | 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