Effects of Salt Stress and Alkali Stress on Germination and Growth of Wheat-wheatgrass Earliest Young Seedling
Bibliographic record
Abstract
Seeds and young seedlings of Wheat-wheatgrass were stressed with a range of salt stress (molar ratio of NaCl:Na2SO4= 9:1) or alkali stress (molar ratio of NaHCO3:Na2CO3 = 9:1).Effects of both stresses on the germination,growth of earliest young seedling,contents of Na+、K+ in young seedling were compared.The results showed that the inhibitory effects of alkali stress on germination and growth of young seedling were much stronger than those of salt stress.Alkali stress especially inhibited the growth of young root,and leaded to the severe reductions in young root activity.In addition,with increasing stress,the contents of Na+ and Na+/K+ ratio in young seedling increased,while the K+ content decreased,and the changes under alkali stress were greater than those under salt stress.This indicated that high pH caused by alkali stress interfered the selective absorption of K+-Na+ in roots and resulted in imbalance of intracellular K+-Na+,which might be the main reason that the harmful action of alkali-stress on Wheat-wheatgrass was stronger than that of salt-stress.
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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".