Effects of plant growth-promoting rhizobacteria on the growth of oat seedlings under salt stress
Why this work is in the frame
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Bibliographic record
Abstract
Four strains of plant growth-promoting rhizobacteria(PGPR) were isolated from the rhizosphere of salty plants,and their effects on the growth of oat seedlings under gnotobiotic salt stress were investigated to improve the salt-tolerance of crops growing in increasingly saline cultivated soils.With increasing the concentration of NaCl,more plant promotion were observed.These four bacterial isolates,especially Pseudomonas sp.S1,promoted significantly the growth of oat seedlings under 10 g/L NaCl stress.The average root length,root fresh weight and root dry weight of oat seedlings inoculated with S1 increased over uninoculation by 137.2%,138.1% and 96.2% under 10 g/L NaCl stress,respectively.The greatly significant positive correlation between ACC deaminase activity of four bacterial isolates and plant growth parameters(root length,root fresh weight,root dry weight and shoot length) were observed(correlation co-efficients 0.93).The results imply that inoculation with ACC deaminase-containing PGPR could serve as an environmentally-friendly and economical alternative to the amelioration of increasingly saline soils.
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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