Effect of Cd Stress on Growth and Accumulation of Cd in Different Chinese Cabbage Genotypes at Seedling Stage
Bibliographic record
Abstract
A hydroponic experiment was conducted to investigate differences in growth and cadmium(Cd) accumulation in 5 varieties of Chinese cabbage at the seedling stage under different concentrations of Cd stress.The results showed that fresh weight of all varieties decreased under different concentrations of Cd stress,and the fresh weight was significantly lower than that of the control.Moreover,inhibition rate of growth of Zhebai No.8 was the lowest(53.86%) at 50 μmol/L CdCl_2.High concentration of Cd stress in the short term could promote dry matter accumulation of Chinese cabbage shoot.There were significant differences in cadmium contents of Chinese cabbage shoots among different varieties under different concentrations of Cd stress,in which cadmium contents of cabbage shoots of Zhebai.No.8 was relative low(145.1 mg/kg DW,249.7 mg/kg DW).Chlorophyll content of all varieties of Chinese cabbage decreased under Cd stress,and chlorophyll a/b had different changes in different Cd concentrations.
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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".