Investigating flight ability and dispersal distance of Cydia pomonella moth in northeast China to assess the side effects of X-ray Irradiation
Why this work is in the frame
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Bibliographic record
Abstract
Abstract The codling moth Cydia pomonella (L.) is a highly destructive pest that causes considerable damage to pome fruits and walnuts worldwide. In Canada, the sterile insect technique (SIT) has proven to be an effective method for controlling C. pomonella population. However, the sterilization process, which involves exposing male moths to gamma radiation or X-rays, may result in a decrease in their mating competitiveness, likely due to a decline in their flight capacity. The impact of X-ray irradiation on the flight ability of sterilized male C. pomonella remains uncertain. In this study, we first examined the flight rhythm of male and female adults of C. pomonella . The findings revealed a significant variations in the average flight speed of both male and female moths at different stages of maturity, with females exhibiting longer flight durations and distances. Since male moths are primarily utilized in SIT programs, we focused on assessing the effect of irradiation on the flight performance of 3-day-old male moths, as they demonstrated the longest flight distance. The results indicated a significant decrease in flight performance, including flight distance, duration, and average speed, among males exposed to radiation at a dose from 183 Gy to 366 Gy. Moreover, an irradiation dose of 366 Gy caused wing deformities, limiting the dispersal distance of moths in orchards according to the mark-and-recapture assay. Further quantitative reverse-transcription PCR (RT-qPCR) analysis revealed down-regulation of flight-related genes such as flightin , myosin heavy chain , and distal-less following radiation exposure. Taken together, these findings demonstrate that X-ray irradiation at a radiation dose higher than 183 Gy adversely affects the flight ability of male C. pomonella adults. These insights not only enhance our understanding of how radiation sterilization diminishes the mating competitiveness of male moths but also contribute to the development and improvement of SIT practices for the effective control of C. pomonella .
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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 | 0.002 | 0.001 |
| 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 | 0.001 |
| 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