Effect of60 Co- γirradiation on the germination of tomato seeds and early seedling growth.
Bibliographic record
Abstract
Two different germination status of tomato cultivar 1479 and yellow pot-cultivate were irradiated by 60 Co-γ rays from 0 Gy to 800 Gy.The effects of the radiation on seed germination and early seedling growth characters were investigated by the method of germination box testing.Different varieties showed significant differences to sensitivity of 60Co-γ rays.The results indicated that the inhibitory effect of 60Co-γ rays on germi-nation of 1479 was much larger than that of yellow pot-cultivate,which mainly manifested in the germination rate and germination velocity.Different germination status of seeds showed different sensitivity to irradiation.30% PEG priming seeds had a stronger sensitivity compared with dry seeds.Although high-dose radiation could not inhibit seeds germination completely,inhibited the growth of the seedlings significantly,mainly demonstrated by the differentiation and growth of radicle.Semi-lethal dose(LD50) could be used to determine the appropriate dose of 60Co-γ irradiation,and yellow pot was 500 Gy to 600 Gy,1479 was 400 Gy to 500 Gy.
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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) | 0.002 | 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".