Analysis of Genetic Variation in Anti-aphid Generations of Germplasm Resources
Bibliographic record
Abstract
In the present study,the synthetic wheat line 98-10-35 is resistant and the synthetic wheat line 1376 is susceptible to S.avenae in greenhouse and field tests.Several related populations including F1,F2,F3 and BC1 bred from 98-10-35/1376 are analyzed by genetic model,combining ability,gene frequency and genotypic frequency.Results indicated that: backcross population of BC1 was a single normal distribution,BC2,two normal distribution,then the proportion of the 1 ∶1 segregation ratio,the performance of a single dominant gene.The gene and genotype frequencies were:P(A)=46.7%,P(a)=53.3%,P(AA)=21.8%,P(Aa)=49.8%,P(aa)=28.4%.The combining ability analysis showed that the general combining ability 0.006 16,specific combining ability-0.220 41;The phenotypic identification results from the field showed that 98-10-35 and F1 were resistance to aphid,and the resistance analysis of their F2 segregation populations showed that both segregation ratios were corresponding with the expected Mendelian segregation ratio of 3 ∶1 by Chi-square value(x2=1.667,P=0.168)suggested that the aphid resistance in wheat lines 98-10-35 to 1376 was controlled by a single dominant gene respectively.In order to provide theoretical support and guidance for practical work for the wheat aphid resistance breeding,we analyzed genetic variation in anti-aphid generations of germplasm resources.
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How this classification was reachedexpand
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 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".