Effects of different genotypes and gamma ray doses on haploidization with irradiated pollen technique in watermelon (<i>Citrullus lanatus</i> L.)
Why this work is in the frame
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Bibliographic record
Abstract
Taşkın, H., Yücel, N. K., Baktemur, G., Çömlekçioğlu, S. and Büyükalaca, S. 2013. Effects of different genotypes and gamma ray doses on haploidization with irradiated pollen technique in watermelon ( Citrullus lanatus L.). Can. J. Plant Sci. 93: 1165–1168. Two watermelon genotypes, one commercial watermelon variety (Ustun F1) and five different doses of gamma rays coming from Co 60 were tested to develop useful haploidization procedures in watermelon. For this purpose, male flowers collected a day before anthesis were irradiated with 50, 150, 200, 275 and 300 Gy doses of gamma rays, and female flowers were pollinated with irradiated pollen the next day. Seeds extracted from fruits harvested 25 d later were opened individually in a laminar flow hood. Embryos obtained via embryo rescue technique were placed in glass tubes containing CP medium with 30 g L −1 sucrose, 8 g L −1 agar, 0.08 mg L −1 B12, and 0.02 mg L −1 IAA. Sixty haploid embryos were obtained from 43 watermelon fruits in this study. Genotype 1 was found to be the most successful genotype with 3.57 haploid embryos per 100 seeds. Among tested irradiation doses, 275 Gy was better than other doses, with 5.26 haploid embryos per 100 seeds. Considered together with irradiation dose and genotypes, the maximum number of haploid embryos was obtained from Genotype 1 pollinated with 275 Gy irradiation dose, with 6.25 haploid embryos per 100 seeds.
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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 | 0.000 |
| 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) | 0.000 | 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 it