Effects of Alkaline Stress on Growth Photosynthesis Pigment and Anti-oxidation of Muskmelon Seedling
Bibliographic record
Abstract
The effects of alkaline stress(0,15.0,30.0,45.0 and 60.0mmol/L Na2CO3)on the growths photosynthesis pigment and anti-oxidation of the seedling of two muskmelon varieties,hefeng No.7 and wulongbai,were studied by sand culture in artificial climate box.The results showed that the ceiling concentration for the two varieties to be able to tolerate alkaline stress was 60.0mmol/L.Under the conditions of low concentration(15.0mmol/L) alkaline stress,the muskmelon seedling growed normal,melon seedlings dry and fresh weight of ground and underground and root shoot ratio(fresh) increased.With the increase of alkali concentration in the medium,melon chlorophyll content and the above indicators decreased,antioxidant enzyme activity first increased and then decreased.POD activity of super wulongbai had a moderate increase while CAT activity had a lager decline.Chla,car content and stability of the protective enzyme system of hefeng No.7 had stronger alkali tolerance than that of wulongbai.
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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".