NaCl Stress-Induced Reduction in Grwoth, Photosynthesis and Protein in Mustard
Bibliographic record
Abstract
Seed germination and early seedling growth, photosynthesis and protein activity of mustard were investigated under salt stress in two experiments. The NaCl concentrations in Hoagland solution were 0 (control), 50, 100 and 150 mM. Percentage of seed germination, germination rate, length, and fresh weight of the seedlings decreased significantly under salinity. Salt concentrations significantly reduced leaf area and number of leaves while salinity showed a non significant effect on leaf water content. Chlorophyll content enhanced considerably with the increasing NaCl concentration. Furthermore, Fv/Fm ratio and electron transport rate were also appreciably reduced by salt stress. In contrast, non- photochemical quenching coefficient increased significantly with increasing NaCl concentration. Net CO2 assimilation, stomatal conductance, transpiration rate, and intrinsic water-use efficiency decreased remarkably with increasing NaCl concentration while water use efficiency increased at 50 mM NaCl but then reduced. Correlation shows that gas exchange attributes had a significant positive relationship with chlorophyll fluorescence. There was an increase in the concentration of total protein content with the corresponding increase in NaCl level up to 100 mM. SDS-PAGE analysis showed that the intensity of band expression increased significantly as with increasing salt stress up to 100 mM but diminished at 150 mM NaCl.
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How this classification was reachedexpand
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 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".